One has to devote oneself to a particular pursuit. To be successful at anything, you have to make a total commitment to it. 
One has to take initiative in life to achieve what he or she wants.
Regardless of what we look like on the outside, genetically, on the inside, everyone is an African. 
My real father died when I was two years old, so I never knew him. He was a barber in Chicago.
Scientists are very afraid of being proven wrong.
I was very intellectually oriented, very early on.
