Know thyself; this is the great object.
Be not too hasty either with praise or blame; speak always as though you were giving evidence before the judgement-seat of the Gods.
Its harder for people to seek retirement from themselves than from the law
There is no greater punishment of wickedness that that it is dissatisfied with itself and its deeds.
The greatest power of ruling consists in the exercise of self-control.
Throughout the whole of life one must continue to learn to live and what will amaze you even more, throughout life you must learn to die. Seneca (Roman philosopher)