Don't watch the clock; do what it does. Keep going.
Success is not the result of spontaneous combustion. You must set yourself on fire.
The only limit to our realization of tomorrow will be our doubts of today.
Success consists of going from failure to failure without loss of enthusiasm.
It does not matter how slowly you go as long as you do not stop.
I have not failed. I've just found 10,000 ways that won't work.
Innovation distinguishes between a leader and a follower.
Success is walking from failure to failure with no loss of enthusiasm.
The only way to do great work is to love what you do.
If you want to lift yourself up, lift up someone else.