Always tell the truth. That way, you don't have to remember what you said.

You can't just ask customers what they want and then try to give that to them. By the time you get it built, they'll want something new.

Faith begins where Reason sinks exhausted.

A man may die, nations may rise and fall, but an idea lives on.

“First, have a definite, clear practical ideal; a goal, an objective. Second, have the necessary means to achieve your ends; wisdom, money, materials, and methods. Third, adjust all your means to that end.”

When you're hot, you're hot; when you're not, you're not.

Count your age by friends, not years. Count your life by smiles, not tears.