Source of the heart stimulant digitalis
Source of the Hulk's power
Source of the idioms "fat of the land" and "fire and brimstone"
Source of the Las Vegas glow
Source of the Law
Source of the line "Blessed are the meek: for they shall inherit the earth"
Source of the line "Each of us bears his own Hell"
Source of the line "Frailty, thy name is woman!"
Source of the line "Hope springs eternal ..."
Source of the line "If this is the best of all possible worlds, what are the others?"
Source of the line "Let us not speak of them, but look, and pass on"
Source of the line "Madness in great ones must not unwatch'd go"
Source of the line "Man does not live by bread alone": Abbr.
Source of the line "Midway upon the road of our life I found myself within a dark wood ..."
Source of the line "Something wicked this way comes"
Source of the line "The Leaves of Life keep falling one by one"
Source of the line "The Lord is thy keeper"
Source of the line "The meek shall inherit the earth"
Source of the line "There is no one alive who is you-er than you!"
Source of the line "They have sown the wind, and they shall reap the whirlwind"
Source of the line "They shall beat their swords into plowshares"
Source of the line "Thy money perish with thee"
Source of the line "What's done is done"
Source of the line "What's past is prologue," with "The"
Source of the long word made from the starts of eight Across answers in this puzzle
Source of the Mac's operating system
Source of the Mekong River
Source of the milk for pecorino Romano cheese
Source of the most widely used metal
Source of the music for a 2001 theatrical hit
Source of the Niagara
Source of the Niagara River
Source of the phrase "brave new world," with "The"
Source of the phrases "cakes and ale" and "milk of human kindness": Abbr.
Source of the pink in pickled turnips
Source of the Po
Source of the quote
Source of the quote "Change is certain"
Source of the quote in 6-Across
Source of the robe material for Incan royalty
Source of the Romance languages
Source of the sample in Jay-Z's "Hard Knock Life (Ghetto Anthem)"
Source of the saying "Brevity is the soul of wit"
Source of the saying "It is more blessed to give than to receive"
Source of the saying "The gods help them that help themselves"
Source of the six longest Across answers in this puzzle
Source of the Tigris and Euphrates, per Genesis
Source of the title "Tender Is the Night"
Source of the title material in "Weird Al" Yankovic's "The White Stuff"
Source of the Trojan horse story
Source of the Truckee River
Source of the word 'algebra'
Source of the word "admiral"
Source of the word "alcohol"
Source of the word "avatar"
Source of the word "clan"
Source of the word "galore"
Source of the word "karma"
Source of the word "khaki"
Source of the word "kiwi"
Source of the word "mantra"
Source of the word "robot"
Source of the word "trousers"
Source of the word "whiskey"
Source of the words "curry" and "pariah"
Source of the words "mamba" and "chimpanzee"
Source of the words "mulligatawny" and "catamaran"
Source of the words "O, beware, my lord, of jealousy; / It is the green-ey'd monster ..."
Source of the words "zenith" and "nadir"
Source of thorns
Source of ticking
Source of timber and shade
Source of tin's chemical symbol
Source of tofu
Source of tomatoes for homemade sauce
Source of tomorrow's lunch, perhaps
Source of Toothflix DVDs
Source of toro
Source of tradition
Source of trendy health juices
Source of tricks?
Source of trouble
Source of troubles
Source of tunes for some commuters
Source of turpentine
Source of TV laughs for 30 years
Source of TV revenue
Source of TV, slangily
Source of tweets
Source of tweets ... or growls
Source of twigs called withies
Source of Ulee's gold
Source of ultraviolet rays
Source of unexpected problems
Source of unforeseen trouble
Source of unrest
Source of unwelcome feedback, informally?
Source of unwelcome strains
Source of urban pride
Source of valuable deposits
Source of valuable eggs
Source of valuable matter
Source of valuable metal
Source of vegan protein
Source of vegetable fuel
Source of vegetable protein
Source of Venanzite
Source of venison
Source of venom
Source of veritas
Source of very soft wool
source of vexation
Source of Vibranium in the Marvel universe
Source of vigor
Source of vitamin C
Source of vitamin D
Source of volcanic glass
Source of warmth
Source of water
Source of water during shortage
Source of water power?
source of water with natural pressure
Source of waves at sea
Source of wealth
Source of weather upheaval
Source of website revenue
Source of white plumes
Source of widespread devastation
Source of wild laughter?
Source of Wile E. Coyote's Dehydrated Boulders
Source of Will Rogers' info
Source of William the Conqueror's Tower of London stone
Source of windiness, maybe?
Source of winter coats
Source of wisdom
Source of wood for baseball bats
Source of woodchips, often
Source of wool
Source of worry
Source of yard sale items, perhaps
Source of yellow dye
Source of zest
source Plume owner
source Poi party
source Pumice feature
source River African
source Sauce Basil
source Soup alternative
source Starch Palm
source Steel component
source Suds
Source unknown, as a quote: Abbr.
source Water
source Wicker material
source Wool
Source, as of knowledge
SOURCE, coming straight from the (of light etc.)
Sourceof 35-Across
Sources
sources APB Part of
Sources for college funding?
Sources for fine sweaters
Sources for maple syrup
Sources for old wagon wheels
Sources for resin
Sources for sauces
Sources for sermons
Sources in a modern bibliog.
sources Life
Sources of "Family Feud" answers
Sources of 20s
Sources of a modern addiction
Sources of acorns
Sources of after-hrs. cash
Sources of ambiguous answers
Sources of ancient counsel
Sources of announcements, for short
Sources of answers
Sources of archery bows
Sources of aromatic wood
Sources of atmospheric carbon dioxide
Sources of attar
Sources of baseball bat wood
Sources of blue eyes, say
Sources of bow wood
Sources of buzz
Sources of cabinet wood
Sources of cash
Sources of cashmere
Sources of coal
Sources of coconuts
Sources of college funding?
Sources of complaints
Sources of cones
Sources of cranberries
Sources of crunch for a salad
Sources of culture
Sources of current information
Sources of daily pressure
Sources of dates
Sources of deck wood
Sources of delight
Sources of delivery orders, briefly
Sources of durable wood
Sources of elastic wood
Sources of energy
Sources of Eve's leaves
Sources of fall color
Sources of fall colors
Sources of fast cash
Sources of feta and ricotta cheese
Sources of feta cheese
Sources of fiber
Sources of filets mignons
Sources of fine wool
Sources of fine-grained wood
Sources of fleece
Sources of foreign aid?
Sources of formic acid
Sources of fragrant wood
Sources of fries
Sources of frustration
Sources of furniture wood
Sources of gold, e.g.
Sources of great wealth
Sources of hard or soft wood
Sources of heat or light
Sources of heavenly strains?
Sources of help on the WWW
Sources of highlights
Sources of hubris
Sources of hurt feelings
Sources of hypoallergenic fiber
Sources of igneous rock
Sources of illicit money
Sources of illumination
Sources of immediate cash: Abbr.
Sources of immunity
Sources of income
Sources of info on the web
Sources of inside info?
Sources of inspiration
Sources of investment advice
Sources of iron
Sources of iron and manganese
Sources of irritation
Sources of irritation: pet ___
Sources of jam, jelly and juice
Sources of labor pains?
Sources of lean meat