It was absolutely marvelous working for Wolfgang Pauli. You could ask him anything. There was no worry that he would think a particular question was stupid, since he thought all questions were stupid.

We've had a very nice birthday present. Our mission has been extended for an additional five years, so we should have a total of ten years of operations.

We've learned a lot more about how X-rays are produced in the vicinity of black holes. We've learned a little about how they work, how they are born and how they live.

Black holes, black holes, black holes. We're seeing them early in the universe, in huge sizes, in much greater quantities than some of us expected, and we've discovered new classes of black holes.

In the French language, there is a great gulf between prose and poetry; in English, there is hardly any difference. It is a splendid privilege of the great literary languages Greek, Latin, and French that they possess a prose. English has not this privilege. There is no prose in English.

The omnipotence of evil has never resulted in anything but fruitless efforts. Our thoughts always escape from whoever tries to smother them.