The beliefs which we have most warrant for have no safeguard to rest on but a standing invitation to the whole world to prove them unfounded. If the challenge is not accepted, or is accepted and the attempt fails, we are far enough from certainty still; but we have done the best that the existing state of human reason admits of; we have neglected nothing that could give the truth a chance of reaching us.

Induction is a process of inference; it proceeds from the known to the unknown.

With equality of experience and of general faculties, a woman usually sees much more than a man of what is immediately before her.

Judgement is given to men that they may use it. Because it may be used erroneously, are men to be told that they ought not to use it at all?

If it were felt that the free development of individuality is one of the leading essentials of well-being; that it is not only a coordinate element with all that is designated by the terms civilisation, instruction, education, culture, but is itself a necessary part and condition of all those things; there would be no danger that liberty should be undervalued.

The price paid for intellectual pacification is the sacrifice of the entire moral courage of the human mind.

No slave is a slave to the same lengths, and in so full a sense of the word, as a wife is.