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 cause of America is in great measure the cause of all mankind.

I wish most anxiously to see my much loved America - it is the Country from whence all reformations must originally spring - I despair of seeing an Abolition of the infernal trafic in Negroes - we must push that matter further on your side the water - I wish that a few well instructed Negroes could be sent among their Brethren in Bondage, for until they are enabled to take their own part nothing will be done.

The guilt of a government is the crime of a whole country.

We still find the greedy hand of government thrusting itself into every corner and crevice of industry and grasping at the spoil of the multitude. Invention is continually exercised to furnish new pretenses for revenue and taxation. It watches prosperity as its prey and permits none to escape without a tribute.

Thus commerce, though in itself a moral nullity, has had a considerable influence in tempering the human mind....he trades with the same countries ...(that he) would have gone to war with.

The final event to himself has been, that as he rose like a rocket, he fell like the stick.