The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.
The mathematician's patterns, like the painter's or the poet's, must be beautiful; the ideas, like the colors or the words, must fit together in a harmonious way.
The details are not the details; they make the design.
"Every book is a journey, and every journey changes you."
The hardest thing in life is to know which bridge to cross and which to burn.