In every tyrant's heart there springs in the end this poison that he cannot trust a friend.
Science almost from its beginnings has been truly international in character. National prejudices disappear completely in the scientist's search for truth.
The scientist is motivated primarily by curiosity and a desire for truth.
Resistance, however, is useless.
Whenever you deal with science fiction you are setting up a world of rules. I...
I sort of was good at writing essays. I was never very good at mathematics...