“My wife is troubled by the things I forget. I am troubled by the things she recollects.”

“My greatest qualification for writing fiction was my ability, as a child, to lie with a straight face.”

“Stop worrying whether the grass is greener on the other side. Find out how to own the other side.”

“My life is ruled by four Ws: my writing, my work, my wife, and my whisky. Not necessarily in that order.”

“Thrills are much more about anticipation than action. An unfired bullet is more dangerous than one that has already met its target.”

“A journey of a thousand miles begins with a single step unless you missed it.”

“To know that we know what we know, and to know that we do not know what we do not know, that is true knowledge.”

“Copernicus, Galileo, and Kepler did not solve an old problem, they asked a new question, and in doing so they changed the whole basis on which the old questions had been framed.”

“Misunderstood! It is a right fool's word. Is it so bad then to be misunderstood? Pythagoras was misunderstood, and Socrates, and Jesus, and Luther, and Copernicus, and Galileo, and Newton, and ever...”

“I know you're tired but come, this is the way.”

“If a religion cannot help a human wherever he or she stands, it is not of much use.”

“Beloved, let us love one another, because love is from God; everyone one who loves is born of God and knows God. Whoever does not love does not know God, for God is love.”