A Philosophy of Walking by Frédéric Gros (...or From Prague, With Love)

Thoreau observed repeatedly that silence usually taught him more than the company of others.

I. Walking is not a sport.

Einstein's hands were shaking.

He looked at his students - all three of them sitting in the large lecture hall - but his mouth refused to read the lecture he was supposed to give.

It was his very first lecture as a young professor and he w…