No one was ever injured by the truth; but he who persists in self-deception and ignorance is injured.

As for life, it is a battle and a sojourning in a strange land; but the fame that comes after is oblivion.

A spider is proud when it has caught a fly; one man when he has caught a poor hare, and another when he has taken a little fish in a net, and another when he has taken wild boars, and another when he has taken bears, and another when he has taken Sarmatians. Are not these robbers, if you examine their opinions?

Frightened of change? But what can exist without it? What's closer to nature's heart? Can you take a hot bath and leave the firewood as it was? Eat food without transforming it? Can any vital process take place without something being changed? Can't you see? It's just the same with you - and just as vital to nature.

As for others whose lives are not so ordered, he reminds himself constantly of the characters they exhibit daily and nightly at home and abroad, and of the sort of society they frequent; and the approval of such men, who do not even stand well in their own eyes, has no value for him.

Doctors keep their scalpels and other instruments handy, for emergencies. Keep your philosophy ready too - ready to understand heaven and earth. In everything you do, even the smallest thing, remember the chain that links them. Nothing earthly succeeds by ignoring heaven, nothing heavenly by ignoring earth.

A man must stand erect, not be kept erect by others.