The way to win an atomic war is to make certain it never starts.

When a dog bites a man, that is not news, because it happens so often. But if a man bites a dog, that is news.

He was born an Englishman and remained one for years.

We are all born mad. Some remain so.

Vladimir: That passed the time.<br>Estragon: It would have passed in any case.<br>Vladimir: Yes, but not so rapidly.

A platitude is simply a truth repeated until people get tired of hearing it.

No moral system can rest solely on authority.

One cannot review a bad book without showing off.

Some books are undeservedly forgotten; none are undeservedly remembered.

One, a robot may not injure a human being, or through inaction, allow a human being to come to harm;<br>Two, a robot must obey the orders given it by human beings except where such orders would conflict with the First Law; Three, a robot must protect its own existence as long as such protection does not conflict with the First or Second Laws.