Infidelity does not consist in believing, or in disbelieving; it consists in professing to believe what he does not believe. It is impossible to calculate the moral mischief, if I may so express it, that mental lying has produced in society. When a man has so far corrupted and prostituted the chastity of his mind, as to subscribe his professional belief to things he does not believe, he has prepared himself for the commission of every other crime.

Whatever has a tendency to promote the civil intercourse of nations by an exchange of benefits is a subject as worthy of philosophy as of politics.

When a man has so far corrupted and prostituted the chastity of his mind, as to [profess] things he does not believe, he has prepared himself for the commission of every other crime.

As my object was not myself, I set out with the determination, and happily with the disposition, of not being moved by praise or censure, friendship or calumny, nor of being drawn from my purpose by any personal altercation; and the man who cannot do this, is not fit for a public character.

I believe in one God, and no more; and I hope for happiness beyond this life. I believe in the equality of humans; and I believe that religious duties consist in doing justice, loving mercy, and endeavoring to make our fellow creatures happy.

Yet this is trash that the Church imposes upon the world as the Word of God; this is the collection of lies and contradictions called the Holy Bible! This is the rubbish called Revealed Religion!

There are two distinct classes of what are called thoughts: those that we produce in ourselves by reflection and the act of thinking and those that bolt into the mind of their own accord.