He who cannot by his labor suffice for his own support has no claim to the privilege of helping himself to the money of others. By becoming dependent on the remaining members of the community for actual subsistence, he abdicates his claim to equal rights for them I other respects.

The test of real and vigorous thinking, the thinking which ascertains truths instead of dreaming dreams, is successful application to practice.

...to bring a child into existence without a fair prospect of being able, not only to provide food for its body, but instruction and training for its mind is a moral crime, both against the unfortunate offspring and against society

The principles which men profess on any controverted subject are usually a very incomplete exponent of the opinions they really hold.

Whatever crushes individuality is despotism, by whatever name it may be called and whether it professes to be enforcing the will of God or the injunctions of men.

There is a very real evil consequent on ascribing supernatural origin to the received maxilms of morality. That origin consecrates the whole of them and protects them from being discussed or criticized.

Liberty consists in doing what one desires.