Man can only endure a certain degree of unhappiness; what is beyond that either annihilates him or passes by him and leaves him apathetic

What sort of faults may we retain, nay, even cherish in ourselves? Those faults which are rather pleasant than offensive to others.

It is easier to perceive error than to find truth, for the former lies on the surface and is easily seen, while the latter lies in the depth, where few are willing to search for it.

What is fruitful alone is true.

The further one advances in experience, the closer one comes to the unfathomable; the more one learns to utilize experience, the more one recognizes that the unfathomable is of no practical value.

Those who hope for no other life are dead even for this.

The follies of the wise man are known to himself, but hidden from the world.