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

Ask yourself whether you are happy and you cease to be so. The only chance is to treat not happiness, but some end external to it, as the purpose of life.

Each undervalues that part of the materials of thought with which he is not familiar.

Such are the differences among human beings in their sources of pleasure, their susceptibilities of pain, and the operation on them of different physical and moral agencies, that unless there is a corresponding diversity in their modes of life, they neither obtain their fair share of happiness, nor grow up to the mental, moral, and aesthetic stature of which their nature is capable.

All free communities have both been more exempt from social injustice and crime, and have attained more brilliant prosperity, than any others, or than they themselves after they have lost their freedom.

Complete liberty of contradicting and disproving our opinion, is the very condition which justifies us in assuming its truth for purposes of action.

Marriage is the only actual bondage known to our law. There remain no legal slaves, except the mistress of every house.