It is in the nature of science that once a position becomes orthodox it should be suggested to criticism.... It does not follow that, because a position is orthodox, it is wrong.

So far, we have been able to study only one evolving system and we cannot wait for interstellar flight to provide us with a second. If we want to discover generalizations about evolving systems, we will have to look at artificial ones.

Scientific theories tell us what is possible; myths tell us what is desirable. Both are needed to guide proper action.

It is an occupational risk of biologists to claim, towards the end of their careers, that the problems which they have not solved are insoluble.

Language changes very fast.

I can't go around believing in a God that believes suffering is good for me.

You couldn't have human society without language.