When two friends part they should lock up each other's secrets and exchange keys. The truly noble mind has no resentments.
There is a false love that will make you something you are not.
There is only a finger's difference between a wise man and a fool.
Boasting, like gilded armour, is very different inside from outside.
You will become a teacher of yourself when for the same things that you blame others, you also blame yourself.
Protagoras asserted that there are two sides to every question, exactly opposite to each other.