Without the perpetual counterfeiting of the universe by number, man could not continue to live

Morality is the best of all devices for leading mankind by the nose.

The object of convalescence ought to be to turn our attention to life: at other times, simply to our tasks!

The snake which cannot cast its skin has to die.

When we have to change our mind about a person, we hold the inconvenience he causes us very much against him.

Idleness is the beginning of all psychology. What? Could it be that psychology is ? a vice?

The unlucky hand dealt to clear and precise writers is that people assume they are superficial and so do not go to any trouble inreading them: and the lucky hand dealt to unclear ones is that the reader does go to some trouble and then attributes the pleasure he experiences in his own zeal to them.