Some people wave their dogmatic thinking until their own reason is entangled.

Commerce can never be at a stop while one man wants what another can supply; and credit will never be denied, while it is likely to be repaid with profit.

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.

Every man is prompted by the love of himself to imagine that he possesses some qualities superior, either in kind or degree, to those which he sees allotted to the rest of the world.

Every man has a lurking wish to appear considerable in his native place.

I have adopted the Roman sentiment, that it is more honorable to save a citizen than to kill an enemy.

To use two languages familiarly and without contaminating one by the other, is very difficult; and to use more than two is hardly to be hoped. The prizes which some have received for their multiplicity of languages may be sufficient to excite industry, but can hardly generate confidence.