Playing with appearances and mastering the arts of deception are among the aesthetic pleasures of life. They are also key components in the acquisition of power.

Everything changes. This is the key to feeling powerful, but also to being creative in the world.

The key to power, then, is the ability to judge who is best able to further your interests in all situations. Keep friends for friendship, but work with the skilled and competent.

The key to success in any kind of start up is your level of persistence. It's not so much your intellect. The Zuckerburg's, Pages and Brins, that succeed have such a level of belief in what they are doing that they will put up with the kind of crap that most people won't put up with, they are incredibly persistent and resilient.