“It is by riding a bicycle that you learn the contours of a country best, since you have to sweat up the hills and coast down them.”

“Life was created in the valleys. It blew up onto the hills on the old terrors, the old lusts, the old despairs. That's why you must walk up the hills so you can ride down.”

“Life is like riding a bicycle. You get nowhere standing up, so get up on that seat and go!”

“To ride a bicycle is in itself some protection against superstitious fears, since the bicycle is the product of pure reason applied to motion. Geometry at the service of man! Give me two spheres and a straight line and I will show you how far I can take them. Voltaire himself might have invented the bicycle, since it contributes so much to man’s welfare and nothing at all to his bane. Beneficial to the health, it emits no harmful fumes and permits only the most decorous speeds. How can a bicycle ever be an implement of harm?”

“The things that stop you having sex with age are exactly the same as those that stop you riding a bicycle.”

“Communication is a skill that you can learn. It's like riding a bicycle or typing. If you're willing to work at it, you can rapidly improve the quality of very part of your life.”