Your vision will become clear only when you can look into your own heart. Who looks outside, dreams; who looks inside, awakes.

The word 'belief' is a difficult thing for me. I don't believe. I must have a reason for a certain hypothesis. Either I know a thing, and then I know it - I don't need to believe it.

Who has fully realized that history is not contained in thick books but lives in our very blood?

Often the hands will solve a mystery that the intellect has struggled with in vain.

Special knowledge is a terrible disadvantage.

From the middle of life onward, only he remains vitally alive who is ready to die with life.

The self is defined psychologically as the psychic totality of the individual. Anything that a [person] postulates as being a greater totality than [oneself] can become a symbol of the self. For this reason the symbol of the self is not always as total as the definition would require.