So many new ideas are at first strange and horrible though ultimately valuable that a very heavy responsibility rests upon those who would prevent their dissemination.

It was a reaction from the old idea of "protoplasm", a name which was a mere repository of ignorance.

Blake expressed some doubt as to whether God had made the tiger. But the tiger is in many ways an admirable animal. We have now to ask whether God made the tapeworm. And it is questionable whether an affirmative answer fits in either with what we know about the process of evolution or what many of us believe about the moral perfection of God.

Christianity is haunted by the theory of a God with a craving for bloody sacrifices.

And if we must educate our poets and artists in science, we must educate our masters, labour and capital, in art.

In fact, words are well adapted for description and the arousing of emotion, but for many kinds of precise thought other symbols are much better.

So many new ideas are at first strange and horrible though ultimately valuable that a very heavy responsibility rests upon those who would prevent their dissemination.