“Hope is the belief in the probability of the possible rather than the necessity of the probable.”

“The cause of that happiness was gone, of course, dead and gone, but still we put our faith in places. We think that if we just lived somewhere different, everything would be okay. We believe that if we paint the stairway a bright new colour, and clear out the closets, our minds will follow. We'll take just about any ray of hope rather than accept that ninety-five per cent of the world we inhabit exists within the confines of our own skulls.”

“Still, he never felt that the sermons he wrote at the cottage were good. By the time he got back to Washington to preach them, they no longer excited him. They seemed cold, lifeless. This was probably because Peter's best sermons rose out of the soil of emotion in his own heart. That emotion had to be a present, valid reality. He could not conjure it up.”

“In order to be wise, we cannot expect yesterday's wise decision to relieve us from the necessity and responsibility to make wise decisions today.”

“(1) Use mathematics as shorthand language, rather than as an engine of inquiry. (2) Keep to them till you have done. (3) Translate into English. (4) Then illustrate by examples that are important in real life (5) Burn the mathematics. (6) If you can’t succeed in 4, burn 3. This I do often.”

“The world has enough women who know how to be smart. It needs women who are willing to be simple. The world has enough women who know how to be brilliant. It needs some who will be brave. The world has enough women who are popular. It needs more who are pure. We need women, and men, too, who would rather be morally right than socially correct.”

“He'd already identified me as a heathen, and I hoped he wouldn't try to change that.”