I would advise you, Sir, to study algebra, if you are not an adept already in it: your head would get less muddy, and you will leave off tormenting your neighbours about paper and packthread, while we all live together in a world that is bursting with sin and sorrow.

None but a fool worries about things he cannot influence.

In most ages many countries have had part of their inhabitants in a state of slavery; yet it may be doubted whether slavery can ever be supposed the natural condition of man. It is impossible not to conceive that men in their original state were equal; and very difficult to imagine how one would be subjected to another but by violent compulsion. An individual may, indeed, forfeit his liberty by a crime; but he cannot by that crime forfeit the liberty of his children.

It would add much to human happiness, if an art could be taught of forgetting all of which the remembrance is at once useless and afflictive, that the mind might perform its functions without encumbrance, and the past might no longer encroach upon the present.

The botanist looks upon the astronomer as a being unworthy of his regard; and he that is glowing great and happy by electrifying a bottle wonders how the world can be engaged by trifling prattle about war and peace.

To be happy at home is the ultimate result of all ambition, the end to which every enterprise and labor tends, and of which every desire prompts the prosecution.

A contempt of the monuments and the wisdom of the past, may be justly reckoned one of the reigning follies of these days, to which pride and idleness have equally contributed.