At all times and in all fields the explanation by fire is a rich explanation.

When we are children, people show us so many things that we lose the profound sense of seeing... And just how could adults show us the world they have lost! They know; they think they know; they say they know.

The characteristic of scientific progress is our knowing that we did not know.

The repose of sleep refreshes only the body. It rarely sets the soul at rest.

The poetic image is a sudden salience on the surface of the psyche

Rilke wrote: 'These trees are magnificent, but even more magnificent is the sublime and moving space between them, as though with their growth it too increased.

It is better to live in a state of impermanence than in one of finality.