The power of applying attention, steady and undissipated, to a single object, is the sure mark of superior genius.

Style is the dress of thoughts; and let them be ever so just, if your style is homely, coarse, and vulgar, they will appear to as much disadvantage, and be as ill received, as your person, though ever so well-proportioned, would if dressed in rags, dirt, and tatters.

Deafness produces bizarre effects, reversing the natural order of things; the interchange of letters is the conversation of the deaf, and the only link with society. I would be in despair, for instance, over seeing you speak, but, instead, I am only too happy to hear you write.

I really think next to the consciousness of doing a good action, that of doing a civil one is the most pleasing; and the epithet which I should covet the most next to that of Aristides, would be that of well-bred.

Cultivate the habit of thinking ahead, and of anticipating the necessary and immediate consequences of all your actions.... Likewise in your pleasures, ask yourself what such and such an amusement leads to, as it is essential to have an objective in everything you do. Any pastime that contributes nothing to bodily strength or to mental alertness is a totally ridiculous, not to say, idiotic, pleasure.

Women are all so far Machiavellians that they are never either good or bad by halves; their passions are too strong, and their reason too weak, to do anything with moderation.

I recommend you to take care of the minutes, for the hours will take care of themselves.