When searching for harmony in life one must never forget that in the drama of existence we are ourselves both actors and spectators.

You can recognize a small truth because its opposite is a falsehood. The opposite of a great truth is another truth.

The meaning of life consists in the fact that it makes no sense to say that life has no meaning.

The old saying of the two kinds of truth. To the one kind belongs statements so simple and clear that the opposite assertion obviously could not be defended. The other kind, the so-called 'deep truths', are statements in which the opposite also contains deep truth.

Our task is not to penetrate the essence of things, the meaning of which we do not know anyway, but rather to develop concepts which allow us to talk in a productive way about phenomena in nature

Sometimes the child in one behaves a certain way and the rest of oneself follows behind, slowly shaking its head.

When we measure something we are forcing an undetermined, undefined world to assume an experimental value. We are not measuring the world, we are creating it.