Knowledge is to certain extent a second existence.

Two Chinamen visiting Europe went to the theatre for the first time. One of them occupied himself with trying to understand the theatrical machinery, which he succeeded in doing. The other, despite his ignorance of the language, sought to unravel the meaning of the play. The former is like the astronomer, the latter the philosopher.

We seldom speak of what we have but often of what we lack.

Human life must be some form of mistake.

The weakness of their reasoning faculty also explains why women show more sympathy for the unfortunate than men;... and why, on the contrary, they are inferior to men as regards justice, and less honourable and conscientious.

It is the courage to make a clean breast of it in the face of every question that makes the philosopher.

Pride works from within; it is the direct appreciation of oneself.