Diligence is a very great help even to a mediocre intelligence. -Diligentia maximum etiam mediocris ingeni subsidium

So called pleasures, when they go beyond a certain limit, are but punishments.

Vice may be learnt, even without a teacher

Set aside a certain number of days, during which you shall be content with the scantiest and cheapest fare, with course and rough dress, saying to yourself the while: " Is this the condition that I feared?"

Whom they have injured they also hate.

Golden roofs break men's rest.

We all sorely complain of the shortness of time, and yet have much more than we know what to do with. Our lives are either spent in doing nothing at all, or in doing nothing to the purpose, or in doing nothing that we ought to do. We are always complaining that our days are few, and acting as though there would be no end of them.