Of moral purpose I see no trace in Nature. That is an article of exclusively human manufacture and very much to our credit.

Science commits suicide when it adopts a creed.

God give me strength to face a fact though it slay me.

To say that an idea is necessary is simply to affirm that we cannot conceive the contrary; and the fact that we cannot conceive the contrary of any belief may be a presumption, but is certainly no proof, of its truth.

The world is neither wise nor just, but it makes up for all its folly and injustice by being damnably sentimental.

We live in a world which is full of misery and ignorance, and the plain duty of each and all of us is to try to make the little corner he can influence somewhat less miserable and somewhat less ignorant than it was before he entered.

I cannot but think that he who finds a certain proportion of pain and evil inseparably woven up in the life of the very worms, will bear his own share with more courage and submission.