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In science, the credit goes to the man who convinces the world, not to the man to whom the idea first occurs.
I don’t like to be put in a box. I like to be free.
The purpose of mental activity is successful living.
"The past is a shadow that follows us, but it does not have to define us."
I don't compete with anyone but myself. My goal is to be better than I was yesterday.
Be the change that you wish to see in the world.