It is wise to be silent when occasion requires, and better than to speak, though never so well.
PlutarchSomeone praising a man for his foolhardy bravery, Cato, the elder, said, ''There is a wide difference between true courage and a mere contempt of life.
PlutarchIf Nature be not improved by instruction, it is blind; if instruction be not assisted by Nature, it is maimed; and if exercise fail of the assistance of both, it is imperfect.
Plutarch