The error of those who reason by precedents drawn from antiquity, respecting the rights of man, is that they do not go far enough into antiquity.

It is never to be expected in a revolution that every man is to change his opinion at the same moment. There never yet was any truth or any principle so irresistibly obvious that all men believed it at once. Time and reason must cooperate with each other to the final establishment of any principle; and therefore those who may happen to be first convinced have not a right to persecute others, on whom conviction operates more slowly. The moral principle of revolutions is to instruct, not to destroy.

There is something in meanness which excites a species of resentment that never subsides, and something in cruelty which stirs up the heart to the highest agony of human hatred.

That there are men in all countries who get their living by war, and by keeping up the quarrels of nations, is as shocking as it is true; but when those who are concerned in the government of a country, make it their study to sow discord and cultivate predjudices between nations, it becomes the more unpardonable.

...the true greatness of a nation is founded on principles of humanity.

There is a happiness in Deism, when rightly understood, that is not to be found inany other system of religion. All other systems have something in them that either shock our reason, or are repugnant to it, and man, if he thinks at all, must stifle his reason in order to force himself to believe them.

It is often said in the Bible that God spake unto Moses, but how do you know that God spake unto Moses? Because, you will say, the Bible says so. The Koran says, that God spake unto Mahomet, do you believe that too? No. Why not? Because, you will say, you do not believe it; and so because you do, and because you don't is all the reason you can give for believing or disbelieving except that you will say that Mahomet was an impostor. And how do you know Moses was not an impostor?