While I am in this world, I am resolved that no vexation shall put me out of temper if I can possibly command myself. Even old age, which is making strides towards me, shall not prevail to make me peevish.Samuel Adams
The first and greatest victory is to conquer yourself; to be conquered by yourself is of all things most shameful and vile.Plato
If a man achieves victory over this body, who in the world can exercise power over him? He who rules himself rules over the whole world.Buddha