What you do not wish upon yourself, extend not to others.
True goodness springs from a man's own heart. All men are born good.
Surely it is the maxim of loving-kindness: Do not unto others that you would not have them do unto you.
A scholar who loves comfort is not fit to be called a scholar.
The great mountain must collapse, the mighty beam must break and the wise man wither like a plant.
No lake so still but it has its wave. No circle so perfect but that it has its blur. I would change things for you if I could; As I can't you must take them as they are.