"If you are hungry, you can eat a carrot. If you are thirsty, you can drink water. If you are cold, you can put on a coat. But what do you do if you are lonely?"

"The scientific picture of the world is very successful, but it is incomplete. It leaves out something essential, something that is very close to us, namely, our own consciousness."

"We are told such a number as the square root of 2 worried Pythagoras and his school almost to exhaustion. Being used to such queer numbers from early childhood, we must be careful not to form a low id…"

"The world is a construct of our sensations, perceptions, memories. It is convenient to regard it as existing objectively. But it is not a logical necessity."

"If a man never contradicts himself, the reason must be that he virtually never says anything at all."