While we ponder when to begin, it becomes too late to do.

Consequently the student who is devoid of talent will derive no more profit from this work than barren soil from a treatise on agriculture.

The soul languishing in obscurity contracts a kind of rust, or abandons itself to the chimera of presumption; for it is natural for it to acquire something, even when separated from any one.

It is fitting that a liar should be a man of good memory.

Men of quality are in the wrong to undervalue, as they often do, the practise of a fair and quick hand in writing; for it is no immaterial accomplishment.

The learned understand the reason of art; the unlearned feel the pleasure.

In a crowd, on a journey, at a banquet even, a line of thought can itself provide its own seclusion.