"Don't tell people how to do things, tell them what to do and let them surprise   you with their results."

George S. Patton

"Leadership is the art of getting someone else to do something you want done because he wants to do it."

Dwight Eisenhower
"The best executive is the one who has sense enough to pick good men to do what he wants done, and self-restraint to keep from meddling with them while they do it."
Theodore Roosevelt