"The world is a very dangerous place, not because of those who do evil, but because of those who look on and do nothing."

"I am an optimist, but I am a realist who understands that science is a slow process."

"I am just a child who has never grown up. I still keep asking these 'how' and 'why' questions. Occasionally, I find an answer."

"The universe is a beautiful and complex place, and we are lucky to be a part of it."

"I have no idea. People who boast about their IQ are losers."