All truly great thoughts are conceived by walking.

All truly great thoughts are conceived while walking.

All truly great thoughts are conceived by walking.

All truly great thoughts are conceived while walking

I do not know what the spirit of a philosopher could more wish to be than a good dancer. For the dance is his ideal, also his fine art, finally also the only kind of piety he knows, his 'divine service.'

For a tree to become tall it must grow tough roots among the rocks.