Don't be concerned about others not appreciating you. Be concerned about your not appreciating others.
A fool marvels at rare things, but a wise man at common ones.
The superior man limits his achievements.
To rein a kingdom efficiently it is necessary, before all, to put into good order the family. It's impossible for a man who doesn't know how to lead his own family to know how to lead a country.
Study the past if you want to define the future.
If you would one day renovate yourself, do so from day to day.