Our moral virtues benefit mainly other people; intellectual virtues, on the other hand, benefit primarily ourselves; therefore the former make us universally popular, the latter unpopular.
The greatest intellectual capacities are only found in connection with a vehement and passionate will.
(Politeness is) a tacit agreement that people's miserable defects, whether moral or intellectual, shall on either side be ignored and not be made the subject of reproach.
A high degree of intellect tends to make a man unsocial.
Intellect is a magnitude of intensity, not a magnitude of extensity.