"To the extent that we tie our fate to the earth—it is necessary that we be involved in the conflicts of the earth."

"Conflict will never be eliminated from human affairs. Conflict is simply the active expression of difference, and an …"

"Let us start with the three fundamental Rules of Robotics....We have: One, a robot may not injure a human being, or, …"

"I have changed my definition of tragedy. I now think tragedy is not foul deeds done to a person... but rather that tr…"

"Difficulties are meant to rouse, not discourage. The human spirit is to grow strong by conflict."

"Americans think of themselves collectively as a huge rescue squad on twenty-four-hour call to any spot on the globe w…"

"When the special theory of Relativity began to germinate in me, I was visited by all sorts of nervous conflicts… I us…"

"He who understands the limits of life knows how easy it is to procure enough to remove the pain of want and make the …"

"Washing one's hands of the conflict between the powerful and the powerless means to side with the powerful, not to be…"

"There are … no conflicts of interest among rational men, men who do not desire the unearned."