If you can keep hope and worry balanced, they will drive a project forward the same way your two legs drive a bicycle forward. - Paul Graham

A startup's ascent often consists of alternating rises and flat spots. This puzzled me when I first saw it at Viaweb. But it turns out just to be what happens when you add a function representing "random ups and downs" to one that's consistently increasing.

Introducing change is like pulling off a bandage : the pain is a memory as soon as you feel it.

In business, there is nothing more valuable than a technical advantage your competitors don’t understand. In business, as in war, surprise is worth as much as force.