If it weren't for the last minute nothing would get done.
Mark Twain
When everything seems to be going against you, remember that the airplane takes off against the wind, not with it.
Henry Ford
No plan survives contact with reality. (Inspired by “No plan survives the first enemy contact”)
Helmuth von Moltke
An investment in knowledge still bears the best interests.
Benjamin Franklin
Ingenious people start great works, diligent people finish them.
Leonardo da Vinci
Whether you think you can, or you think you can’t–you’re right.
Henry Ford
The best thing a manager can do is to hire the right people.
Lee Iacocca
The errors which arise from the absence of facts are far more numerous and more durable than those which result from unsound reasoning respecting true data.
Charles Babbage
If you're doing something the same way you have been doing it for ten years, the chances are you are doing it wrong.
Charles Kettering
Whenever God wants to give us a gift, he wraps it up in a problem.
Norman Vincent Peal