To sell oneself for thirty pieces of silver is an honest transaction; but to sell oneself to one s own conscience is to abandon mankind.

To sell oneself for thirty pieces of silver is an honest transaction; but to sell oneself to one s own conscience is to abandon mankind.

Space-ships and time machines are no escape from the human condition. Let Othello subject Desdemona to a lie-detector test; his jealousy will still blind him to the evidence. Let Oedipus triumph over gravity; he won't triumph over his fate.

The thing represented had to pass through two distorting lenses: the artist's mind, and his medium of expression, before it emerged as a man-made dream - the two, of course, being intimately connected and interacting with each other.

I am not sure whether ethical absolutes exist. But I am sure that we have to act as if they existed or civilization perishes.

History is a priori amoral; it has no conscience.

The real achievement in discoveries... is seeing an analogy where no one saw one before... The essence of discovery is that unlikely marriage of cabbages and kings — of previously unrelated frames of reference or universes of discourse — whose union will solve the previously insoluble problem.