Albert Einstein had in his closet 7 white shirts, 7 pairs of black pants, 7 tweed jackets, 7 black ties, 7 pairs of white boxers, 7 pairs of black socks and 7 pairs of black shoes. During the summer months, he swapped out the jackets for grey sweaters, the shoes for sandals and would forgo the ties. He said in this way he did not have to waste mental energy on thinking about what to wear.
From: Steve Jobs by Walter Isaacson via Gawker
He also came to like the idea of having a uniform for himself, both because of its daily convenience (the rationale he claimed) and its ability to convey a signature style. "So I asked Issey to make me some of his black turtlenecks that I liked, and he made me like a hundred of them." Jobs noticed my surprise when he told this story, so he showed them stacked up in the closet. "That's what I wear," he said. "I have enough to last for the rest of my life."
From: David Cain via Drake Baer in FastCompany"Give ample deliberation to the decisions that concern major aspects of life, such as career, family, relationships, high-level goals and creative pursuits, and don't let small ones hang you up. The big ones determine what you actually do with your life--and it is their doing that contributes most to happiness, so it's worth pruning out as many of the distracting minor decisions as possible so that you don’t cease the important doing because you’re caught up in unimportant thinking."