Since I would rather make of him an able man than a learned man, I would also urge that care be taken to choose a guide with a well-made rather than a well-filled head.

The man who thinks he knows does not yet know what knowing is

The human face is a weak guarantee; yet it deserves some consideration. And if I had to whip the wicked, I would do so more severely to those who belied and betrayed the promises that nature had implanted on their brows; I would punish malice more harshly when it was hidden under a kindly appearance.

We should rather examine, who is better learned, than who is more learned.

Man is the sole animal whose nudities offend his own companions, and the only one who, in his natural actions, withdraws and hides himself from his own kind.

Presumption is our natural and original malady. The most vulnerable and frail of all creatures is man, and at the same time the most arrogant.

As far as I am concerned, no road that would lead us to health is either arduous or expensive.