It is necessary to the happiness of man that he be mentally faithful to himself. Infidelity does not consist in believing, or in disbelieving, it consists in professing to believe what he does not believe.

All the tales of miracles, with which the Old and New Testament are filled, are fit only for impostors to preach and fools to believe.

It is the object only of war that makes it honorable.

To reason with goverments, as they have existed for ages, is to argue with brutes. It is only from the nations themselves that reforms can be expected

Each of those churches shows certain books, which they call revelation, or the Word of God. The Jews say that their Word of God was given by God to Moses face to face; the Christians say, that their Word of God came by divine inspiration; and the Turks say, that their Word of God (the Koran) was brought by an angel from heaven. Each of those churches accuses the other of unbelief; and, for my own part, I disbelieve them all.

I have as little superstition in me as any man living, but my secret opinion has ever been, and still is, that God Almighty will not give up a people to military destruction, or leave them unsupportedly to perish, who have so earnestly and so repeatedly sought to avoid the calamities of war, by every decent method which wisdom could invent. Neither have I so much of the infidel in me, as to suppose that He has relinquished the government of the world, and given us up to the care of devils.

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.