The world is a tragedy to those who feel, but a comedy to those who think.

In science, mistakes always precede the truth.

He was persuaded he could know no happiness but in the society of one with whom he could for ever indulge the melancholy that had taken possession of his soul.

Nine-tenths of the people were created so you would want to be with the other tenth.

When people will not weed their own minds, they are apt to be overrun by nettles.

There is no bombast, no similes, flowers, digressions, or unnecessary descriptions. Everything tends directly to the catastrophe.