“This is a question too difficult for a mathematician. It should be asked of a philosopher"(when asked about completing his income tax form)”

“The hardest thing in the world to understand is the income tax.”

“I am not a genius, I am just curious. I ask many questions. and when the answer is simple, then God is answering.”

“I asked myself childish questions and proceeded to answer them.”

“The most important question a person can ask is, "Is the Universe a friendly place?”

“When Albert Einstein was asked what he would really like to know about the Universe he replied,'is it friendly?”

“What is the meaning of human life, or, for that matter, of the life of any creature? To know the answer to this question means to be religious. You ask: Does it make any sense, then, to pose this question? I answer: The man who regards his fellow creatures as meaningless is not merely unhappy but hardly fit for life.”