There must be no barriers to freedom of inquiry. There is no place for dogma in science. The scientist is free, and must be free to ask any question, to doubt any assertion, to seek for any evidence, to correct any errors.

No man should escape our universities without knowing how little he knows.

In the spring of 1936, I was introduced by friends to Jean Tatlock. In the autumn, I began to court her. We were at least twice close enough to marriage to think of ourselves as engaged.

My mother was born in Baltimore, and before her marriage, she was an artist and teacher of art.

Just as computer science is missing from our school system, so is science fiction.

For the resolving powers of our scientific instruments decide, at a given moment, of the size and the vision of our Universe, and of the image we then make of ourselves.

We didn't care about salaries and having a nice car. We just cared about science and were really ambitious.

Science fiction was one of those places, particularly during the McCarthy era, where you could write whatever you wanted because it was beneath contempt. They didn't bother censoring it.