Do not forget that a traitor within our ranks, known to us, can do more harm to the enemy than a loyal man can do good to us.

Night will always be a time of fear and insecurity, and the heart will sink with the sun.

It is change continuing change, inevitable change that is the dominant factor in society today.

I can't bear to hear a human being spoken of with contempt just because of his group identification...It's these respectable people here who create those hooligans out there.

The true artist is quite rational as well as imaginative and knows what he is doing; if he does not, his art suffers.

Grip the nettle firmly and it will become a stick with which to beat your enemy.

And [Asimov]'ll sign anything, hardbacks, softbacks, other people's books, scraps of paper. Inevitably someone handed him a blank check on the occasion when I was there, and he signed that without as much as a waver to his smile — except that he signed: 'Harlan Ellison.