Thomas Huxley

There is but one right, and the possibilities of wrong are infinite.

Economy does not lie in sparing money, but in spending it wisely.

The most considerable difference I note among men is not in their readiness to fall into error, but in their readiness to acknowledge these inevitable lapses.

Size is not grandeur, and territory does not make a nation.

Books are the money of Literature, but only the counters of Science.

The only freedom I care about is the freedom to do right; the freedom to do wrong I am ready to part with on the cheapest terms to anyone who will take it of me.

It is because the body is a machine that education is possible. Education is the formation of habits, a superinducing of an artificial organization upon the natural organization of the body.

Nothing can be more incorrect than the assumption one sometimes meets with, that physics has one method, chemistry another, and biology a third.

The doctrine that all men are, in any sense, or have been, at any time, free and equal, is an utterly baseless fiction.

The great thing in the world is not so much to seek happiness as to earn peace and self-respect.

No slavery can be abolished without a double emancipation, and the master will benefit by freedom more than the freed-man.

It is the customary fate of new truths, to begin as heresies, and to end as superstitions.

I took thought, and invented what I conceived to be the appropriate title of 'agnostic'.

Teach a child what is wise, that is morality. Teach him what is wise and beautiful, that is religion!

Every great advance in natural knowledge has involved the absolute rejection of authority.

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

The only medicine for suffering, crime, and all other woes of mankind, is wisdom. Teach a man to read and write, and you have put into his hands the great keys of the wisdom box. But it is quite another thing to open the box.

There is no sea more dangerous than the ocean of practical politics none in which there is more need of good pilotage and of a single, unfaltering purpose when the waves rise high.

The scientific imagination always restrains itself within the limits of probability.

If a man cannot do brain work without stimulants of any kind, he had better turn to hand work it is an indication on Nature's part that she did not mean him to be a head worker.