"We must always strive to use our knowledge for the betterment of humanity, and not for its destruction."

"I am an optimist, because I believe that man is capable of solving his problems."

"The atomic bomb is a terrible weapon, but it is also a source of great power."

"The atomic bomb is a testament to the power of human intellect, but it is also a warning about the dangers of human folly."

"The universe is a strange and wonderful place, and we are only beginning to understand it."