Authority that does not exist for Liberty is not authority but force.

The fate of every democracy, of every government based on the sovereignty of the people, depends on the choices it makes between these opposite principles, absolute power on the one hand, and on the other the restraints of legality and the authority of tradition.

Opinions alter, manners change, creeds rise and fall, but the moral law is written on the tablets of eternity.

If the past has been an obstacle and a burden, knowledge of the past is the safest and the surest emancipation.

Guard against the prestige of great names; see that your judgments are your own; and do not shrink from disagreement; no trusting without testing

There is no worse heresy than that the office sanctifies the holder of it.

Moral precepts are constant through the ages and not obedient to circumstances.