He who has health has hope, and he who has hope has everything.

The power to question is the basis of all human progress.

The person who says it cannot be done should not interrupt the person who is doing it.

Innovation distinguishes between a leader and a follower.

I, and I alone, am responsible for everything I think and feel.

Greatness doesn't come from one person. It comes from great teams and great products.

It is in your moments of decision that your destiny is shaped.