Act with kindness, but do not expect gratitude.
Some suggestions for you :
Mens natures are alike it is their habits that carry them far apart.
Don't be concerned others not appreciating you. Be concerned about your not appreciating others.
If you think in terms of a year, plant a seed; if in terms of ten years, plant trees; if in terms of 100 years, teach the people.
When you make a promise consistent with what is right, you can keep your word. When you show respect consistent with good taste, you keep shame and disgrace at a distance. When he in whom you confide is one who does not fail his friends, you may trust him fully.
Lord Chi Wen thought three times before taking any action. When the Master heard this, he said: Twice is plenty enough.
Nothing is more visible than things hidden; Nothing is more manifest than things minute; Therefore, the superior man should be aware of his aloneness.
We should keep the dead before our eyes, and honor them as though still living.
If things far away don't concern you, you'll soon mourn things close at hand.
If you make a mistake and do not correct it, this is called a mistake.