Obstinate people can be divided into the opinionated, the ignorant, and the boorish.
We give up leisure in order that we may have leisure, just as we go to war in order that we may have peace.
The beginning, as the proverb says, is half the whole.
The high-minded man does not bear grudges, for it is not the mark of a great soul to remember injuries, but to forget them.
Doubt is the beginning of wisdom
To enjoy the things we ought and to hate the things we ought has the greatest bearing on excellence of character.