Everything should be made as simple as possible, but not simpler.

There's a dark side to everything.

Realize that everything connects to everything else.

Insanity is doing the same thing, over and over again, but expecting different results.

A clever person solves a problem. A wise person avoids it.

If A is a success in life, then A equals x plus y plus z. Work is x; y is play; and z is keeping your mouth shut.