A man who lacks reliability is utterly useless.
When you breathe, you inspire, and when you do not breathe, you expire.
The man of perfect virtue, wishing to be established himself, seeks also to establish others; wishing to be enlarged himself, he seeks also to enlarge others.
Every truth has four corners: as a teacher I give you one corner, and it is for you to find the other three.
If I am virtuous and worthy, for whom should I not maintain a proper concern?
Learn, as if never overtaking your object, and yet as if apprehensive of losing it.