"I would be a lot more comfortable if I could be assured that the people who say 'I'm a Christian' actually lived by the tenets of Christianity."

"If you are a scientist, you are a scientist. You don't have to be a 'black scientist' or a 'woman scientist.'"

"Curiosity and the urge to solve problems are the great forces of human nature."

"The universe is a mirror. It reflects back to you what you put into it."

"The problem with society is not lack of knowledge, but the illusion of knowledge."