But the watchful care of the parent is endless. The youth is never free from the danger of grating interference.

Government can have no more than two legitimate purposes - the suppression of injustice against individuals within the community, and the common defense against external invasion.

It is probable that there is no one thing that it is of eminent importance for a child to learn.

It is absurd to expect the inclinations and wishes of two human beings to coincide, through any long period of time. To oblige them to act and live together is to subject them to some inevitable potion of thwarting, bickering, and unhappiness.

There must be room for the imagination to exercise its powers; we must conceive and apprehend a thousand things which we do not actually witness.

He has no right to his life when his duty calls him to resign it. Other men are bound ... to deprive him of life or liberty, if that should appear in any case to be indispensably necessary to prevent a greater evil.

Perfectibility is one of the most unequivocal characteristics of the human species.