“Certainly, travel is more than the seeing of sights; it is a change that goes on, deep and permanent, in the ideas of living.”

“It's my conviction that slight shifts in imagination have more impact on living than major efforts at change... deep changes in life follow movements in imagination.”

“Your mind sees more than what your eyes see. your sense of sight can make your fancy fly. there's more to sight than meets the eye.”

“A mathematician, like a painter or poet, is a maker of patterns. If his patterns are more permanent than theirs, it is because they are made with ideas.”

“Love . . . is like nature, but in reverse; first it fruits, then it flowers, then it seems to wither, then it goes deep, deep down into its burrow, where no one sees it, where it is lost from sight, and ultimately people die with that secret buried inside their souls.”

“There are two kinds of travelers. There is the kind who goes to see what there is to see, and the kind who has an image in his head and goes out to accomplish it. The first visitor has an easier time, but I think the second visitor sees more.”