A party of order or stability, and a party of progress or reform, are both necessary elements of a healthy state of political life.
If all mankind minus one were of one opinion, mankind would be no more justified in silencing that one person than he, if he had the power, would be justified in silencing mankind.
Marxism conceives of the new system of socialism as the necessary outcome of all previous history made possible and necessary only by that previous history.
Popular opinions, on subjects not palpable to sense, are often true, but seldom or never the whole truth.
God, who knows our most secret thoughts and who sees all, is witness to the purity of my principles. They are not founded on this barbarous ferocity that takes pleasure in shedding human blood.
Avoid sloth, the mother of all vices!
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.
The social system grows rigid but the productive forces continue to expand, and conflict ensues between the forces of production and the social conditions of production.
The despotism of custom is everywhere the standing hindrance to human advancement.
One person with a belief is equal to ninety-nine who have only interests.