Quotes about possibility
page 14
Source: I'd Tell You I Love You, But Then I'd Have to Kill You
Source: Sugar Daddy
Source: Quintana of Charyn

“Don't we all live in our heads? Where else could we possibly exist? Our brainsthe universe.”
Source: Flora and Ulysses: The Illuminated Adventures

“It is startling to realize how much unbelief is necessary to make belief possible.”
Section 56
The True Believer (1951), Part Three: United Action and Self-Sacrifice
Source: The True Believer: Thoughts on the Nature of Mass Movements
Context: It is startling to realize how much unbelief is necessary to make belief possible. What we know as blind faith is sustained by innumerable unbeliefs.
Context: The readiness for self-sacrifice is contingent on an imperviousness to the realities of life.... For self-sacrifice is an unreasonable act.... All active mass movements strive, therefore, to interpose a fact-proof screen between the faithful and the realities of the world.... by claiming that the ultimate and absolute truth is already embodied in their doctrine and that there is no truth nor certitude outside it.... To rely on the evidence of senses and of reason is heresy and treason. It is startling to realize how much unbelief is necessary to make belief possible. What we know as blind faith is sustained by innumerable unbeliefs.

“Lucky is the man who does not secretly believe that every possibility is open to him.”

“They parted at last with mutual civility, and possibly a mutual desire of never meeting again.”

“How is it possible to find meaning in a finite world, given my waist and shirt size?”

Source: Runaways, Vol. 1: Pride and Joy
Source: Anam Cara: A Book of Celtic Wisdom

As quoted in The Story of Our Money (1946) by Olive Cushing Dwinell, p. 71; this is in an author's note following a quote by Alexander Hamilton. After the author's note there is the sentence "From Writings of Madison, previously quoted. Vol. 2, p. 14". This is apparently an editor's error since the note is clearly Dwinell's. See the talk page for more details.
Misattributed
Source: Love Warps the Mind a Little
Source: Bleach, Volume 06

“Consciousness is only possible through change; change is only possible through movement.”
Source: The Art of Seeing

“Not all possibilities are open to us. The world is finite; our hopes spill over its rim.”
Source: The Satanic Verses

“But if you want to find peace, you must first be able to hope it is possible.”

“I don't believe that happiness is possible, but I think tranquility is.”

“Dreams come true; without that possibility, nature would not incite us to have them.”
Source: Self-Consciousness : Memoirs (1989), Ch. 3

Part III: Growing Up, §II
Source: An Autobiography (1977)

“The beast was harmless and horrible; and the news must reach the others as soon as possible.”
Source: Lord of the Flies

A Joy for Ever, note 6 (1857).
Context: For certainly it is excellent discipline for an author to feel that he must say all he has to say in the fewest possible words, or his reader is sure to skip them; and in the plainest possible words, or his reader will certainly misunderstand them.

“How is it possible for the beauty that was there only minutes before to vanish so quickly?”
Source: Eleven Minutes
“Being an adult means accepting those situations where no action is possible.”
Source: The Green Ripper

Source: Unless It Moves the Human Heart: The Craft and Art of Writing

“Thanks to impermanence, everything is possible.”
Variant: Because you are alive, everything is possible.
Source: Going Home: Jesus and Buddha as Brothers
Source: The Darkest Surrender

“Hating requires caring. In which case, I couldn't possibly hate you.”
Source: Blue Moon
Source: Manual De Traduccion / A Textbook of Translation
“the enduring struggle to capture in words the infinite possibilities of a life not lived.”
Source: The Last Time They Met