To develop and perfect and arm conscience is the great achievement of history.
History is not only a particular branch of knowledge, but a particular mode and method of knowledge in other branches.
Liberty is the harmony between the will and the law.
Socialism easily accepts despotism. It requires the strongest execution of power -- power sufficient to interfere with property.
Do not turn yourself from an end into a means-one does not justify the other.
Guard against the prestige of great names; see that your judgments are your own; and do not shrink from disagreement; no trusting without testing