Work at it night and day.
Alas! the fleeting years, how they roll on!
Mistakes are their own instructors
The hour of happiness will be the more welcome, the less it was expected.
Misfortunes, untoward events, lay open, disclose the skill of a general, while success conceals his weakness, his weak points.
I praise her (Fortune) while she lasts; if she shakes her quick wings, I resign what she has given, and take refuge in my own virtue, and seek honest undowered Poverty.