“Evolution is a two-way street.”

“The question is not whether Total Information Awareness (TIA) is here to stay; the real question is whether TIA is a one-way street or a two-way street.”

“The two-way street of Total Information Awareness is the road that leads to a more transparent and complete picture of ourselves, our governments, and our world.”

“Fashion is about two things: the evolution and the opposite.”

“A man in the house is worth two in the street.”

“The most telling and profound way of describing the evolution of the universe would undoubtedly be to trace the evolution of love.”

“I believe in the brotherhood of all men, but I don't believe in wasting brotherhood on anyone who doesn't want to practice it with me. Brotherhood is a two-way street.”

“There are two ways of summing up world history, the inner way and the outer way. Both have been at the mercy of scribes and policies. Let us begin by realizing that the story of human evolution has progressed steadily from complete exclusiveness to an ever-broadening inclusiveness.”

“We want a fireworks theory of evolution. The last two thousand million years are slow evolution: they are the smoke and ashes of bright but very rapid fireworks.”

“Respect is not a one way street”