If we bring not the good courage of minds covetous of truth, and truth only, prepared to hear all things, and decide upon all things, according to evidence, we should do more wisely to sit down contented in ignorance, than to bestir ourselves only to reap disappointment.

There is but one honest limit to the rights of a sentient being; it is where they touch the rights of another sentient being.

Many are called impious, not for having a worse, but a different religion from their neighbors; and many atheistical, not for the denying of God, but for thinking somewhat peculiarly concerning him.

Equality is the soul of liberty; there is, in fact, no liberty without it.

Equality! Where is it, if not in education? Equal rights! They cannot exist without equality of instruction.

the mode of delivering a truth makes, for the most part, as much impression on the mind of the listener as the truth itself.

the language of truth is too simple for inexperienced ears.