Socialism means slavery.

A people averse to the institution of private property is without the first elements of freedom

No public character has ever stood the revelation of private utterance and correspondence.

Piety sometimes gives birth to scruples, and faith to superstition, when they are not directed by wisdom and knowledge.

Monarchy hardens into despotism. Aristocracy contracts into oligarchy. Democracy expands into the supremacy of numbers.

It is they [men of science] who hold the secret of the mysterious property of the mind by which error ministers to truth, and truth slowly but irrevocably prevails. Theirs is the logic of discovery, the demonstration of the advance of knowledge and the development of ideas, which as the earthly wants and passions of men remain almost unchanged, are the charter of progress, and the vital spark in history.

There are two things which cannot be attacked in front: ignorance and narrow-mindedness. They can only be shaken by the simple development of the contrary qualities. They will not bear discussion.