It is too bad if you have to do everything upon reflection and can't do anything from early habit.

Sickness is mankind's greatest defect.

The pleasures of the imagination are as it were only drawings and models which are played with by poor people who cannot afford the real thing.

I would give something to know for whose sake precisely those deeds were really done which report says were done for the fatherland.

We cannot remember too often that when we observe nature, and especially the ordering of nature, it is always ourselves alone we are observing.

Be wary of passing the judgment: obscure. To find something obscure poses no difficult, elephants and poodles find many things obscure.

Before we blame we should first see whether we cannot excuse.