Men frequently think that the evils in the world are more numerous than the good things; many sayings and songs of the nations dwell on this idea… Not only common people make this mistake, but even many who think they are wise

I must die. Must I then die lamenting? I must be put in chains. Must I then also lament? Does any man then hinder me from going with smiles and cheerfulness and contentment?

If you know the enemy and you know yourself, you need not fear the result of a hundred battles. If you know yourself but not the enemy, for every victory gained you will also suffer a defeat. If you know neither the enemy nor yourself, you will succumb in

Weird doors open. People fall into things.