And though history sadly doesn't credit the man who first thought of tilting a bicycle's steering axis, it is more likely to be because of feet striking the wheel than an understanding of stability.

— Robert Penn

A universal truth of bicycling is this - pain is inevitable, suffering is optional.

— Robert Penn

It was always scary, Charlie replied, but that was why you did it, right? If it was safe... it wouldn’t be fun.

— Robert Penn

The bicycle saves my life every day. If you've ever experienced a moment of awe or freedom on a bicycle; if you've ever taken flight from sadness to the rhythm of two spinning wheels, or felt the resurgence of hope pedaling to the top of a hill with the dew of effort on your forehead; if you've ever wondered, swooping down bird-like down a long hill, if the world was standing still; if you have ever, just once, sat on a bicycle with a singing heart and felt like an ordinary human touching the gods, then we share something fundamental. We know it's all about the bike.

— Robert Penn