He who can no longer pause to wonder and stand rapt in awe, is as good as dead; his eyes are closed.

It is true that my parents were worried because I began to speak fairly late, so that they even consulted a doctor. I can't say how old I was - but surely not less than three.

The only thing we can be certain of in this life is that we can be certain of nothing.

Enough for me is the mystery of the eternity of life, and the inkling of the marvelous structure of reality. There is in this neither a will nor a goal, nor a must, but only sheer being.

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.

Without creative, independently thinking and judging personalities the upward development of society is as unthinkable as the development of the individual personality without the nourishing soil of the community.

With fame I become more and more stupid, which of course is a very common phenomenon.