The mere man of pleasure is miserable in old age, and the mere drudge in business is but little better, whereas, natural philosophy, mathematical and mechanical science, are a continual source of tranquil pleasure, and in spite of the gloomy dogmas of priests and of superstition, the study of these things is the true theology; it teaches man to know and admire the Creator, for the principles of science are in the creation, and are unchangeable and of divine origin.

The American constitutions were to liberty, what a grammar is to language: they define its parts of speech, and practically construct them into syntax

People in general know not what wickedness there is in this pretended word of God. Brought up in habits of superstition, they take it for granted that the Bible is true, and that it is good; they permit themselves not to doubt of it, and they carry the ideas they form of the benevolence of the Almighty to the book which they have been taught to believe was written by his authority. Good heavens! It is quite another thing; it is a book of lies, wickedness, and blasphemy.

When I contemplate the natural dignity of man; when I feel (for Nature has not been kind enough to me to blunt my feelings) for the honor and happiness of its character, I become irritated at the attempt to govern mankind by force and fraud, as if they were all knaves and fools, and can scarcely avoid disgust at those who are thus imposed upon.

Titles are like a magicians wand which circumscribe human facility and prevent us from living the lives of man.

If those to whom power is delegated do well, they will be respected; if not, they will be despised.

I prefer peace. But if trouble must come, let it come in my time, so that my children can live in peace.