Nothing compares to the simple pleasure of a bike ride. – John F. Kennedy

There is nothing like walking to get the feel of a country. A fine landscape is like a piece of music; it must be taken at the right tempo. Even a bicycle goes too fast. – Paul Scott Mowrer, The House of Europe

With humans, it is like the bicycle. Only when moving can we easily keep balanced. – Albert Einstein, letter to son Eduard, 1930 February 5th, translated from German