It is weakness rather than wickedness which renders men unfit to be trusted with unlimited power.

There are only two creatures of value on the face of the earth: those with the commitment, and those who require the commitment of others.

Conclude not from all this that I have renounced the Christian religion. . . . Far from it. I see in every page something to recommend Christianity in its purity, and something to discredit its corruptions. . . . The ten commandments and the sermon on the mount contain my religion.

The Europeans are all deeply tainted with prejudices, both ecclesiastical and temporal, which they can never get rid of. They are all infected with episcopal and presbyterian creeds, and confessions of faith. They all believe that great Principle which has produced this boundless universe, Newton's universe and Herschell's universe, came down to this little ball, to be spit upon by Jews. And until this awful blasphemy is got rid of, there never will be any liberal science in the world.

I must study Politicks and War that my sons may have liberty to study Mathematicks and Philosophy. My sons ought to study Mathematicks and Philosophy, Geography, natural History, Naval Architecture, navigation, Commerce and Agriculture, in order to give their Children a right to study Painting, Poetry, Musick, Architecture, Statuary, Tapestry and Porcelaine. (12 May 1780)

In politics the middle way is none at all.

God is an essence that we know nothing of. Until this awful blasphemy is got rid of, there never will be any liberal science in the world.