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

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

“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.”

“When I am judging a theory, I ask myself whether, if I were God, I would have arranged the world in such a way.”

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

“Student: Dr. Einstein, Aren't these the same questions as last year's [physics] final exam?Dr. Einstein: Yes; But this year the answers are different.”