Nicolaus Copernicus

Falling little wind, it was five before I could form my line, or distinguish any of the enemy's motions; and could not judge at all of their force, more than by numbers, which were seventeen, and thirteen appeared large.

If we live a self-directed, self-motivated, self-centered life, always needing to get our own way, then we're going to be miserable. In fact, many times we believe it's our problems that are making us unhappy when, in reality, it's because we're focused on ourselves!