"Science makes people reach selflessly for truth and objectivity; it teaches people to accept reality, with wonder and admiration, not to mention the deep awe and joy that the natural order of things brings to the true scientist."
"Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves."
"I never want to work on behalf of an enemy of my country again."
"You must not lose faith in humanity. Humanity is an ocean; if a few drops of the ocean are dirty, the ocean does not become dirty."
"The important thing is not to stop questioning."