And obstinacy is the sister of constancy, at least in vigour and stability.

Those things that are dearest to us have cost us the most.

We trouble our life by thoughts about death, and our death by thoughts about life.

Every man bears the whole stamp of the human condition.

Whatever is enforced by command is more imputed to him who exacts than to him who performs.

A tutor should not be continually thundering instruction into the ears of his pupil, as if he were pouring it through a funnel, but, after having put the lad, like a young horse, on a trot, before him, to observe his paces, and see what he is able to perform, should, according to the extent of his capacity, induce him to taste, to distinguish, and to find out things for himself; sometimes opening the way, at other times leaving it for him to open; and by abating or increasing his own pace, accommodate his precepts to the capacity of his pupil.

Lying is a terrible vice, it testifies that one despises God, but fears men.