To the sober person adventurous conduct often seems insanity.
To write well, express yourself like the common people, but think like a wise man.
The true end of tragedy is to purify the passions.
There is nothing unequal as the equal treatment of unequals.
It is absurd to hold that a man ought to be ashamed of being unable to defend himself with his limbs, but not of being unable to defend himself with speech and reason, when the use of rational speech is more distinctive of a human being than the use of his limbs.
The things best to know are first principles and causes, but these things are perhaps the most difficult for men to grasp, for they are farthest removed from the senses.