I love romantic poetry.

We should take astrology seriously. No, I don't mean we should believe in it. I am talking about fighting it seriously instead of humouring it as a piece of harmless fun.

It is possible in medicine, even when you intend to do good, to do harm instead. That is why science thrives on actively encouraging criticism rather than stifling it.

[It] is capable of driving people to such dangerous folly that faith seems to me to qualify as a kind of mental illness.

Blindness to suffering is an inherent consequence of natural selection. Nature is neither kind nor cruel but indifferent.

It is an essential part of the scientific enterprise to admit ignorance, even to exult in ignorance as a challenge to future conquests.

Faith is an evil precisely because it requires no justification and brooks no argument.