It was, of course, a lie what you read about my religious convictions, a lie which is being systematically repeated. I do not believe in a personal God and I have never denied this but have expressed it clearly. If something is in me which can be called religious then it is the unbounded admiration for the structure of the world so far as our science can reveal it.

Everything that is really great and inspiring is created by the individual who can labor in freedom.

My sense of god is my sense of wonder about the universe.

It takes a different kind of thinking to solve a problem than the kind of thinking which produced the problem.

Genius is making complex ideas simple, not making simple ideas complex

One can't teach a cat not to catch birds

Strange is our situation here on Earth. Each of us comes for a short visit, not knowing why, yet sometimes seeming to divine a purpose. From the standpoint of daily life, however, there is one thing we do know: that man is here for the sake of other men - above all for those upon whose smiles and well-being our own happiness depends.