The end of the day is near when small men make long shadows.
If I am walking with two other men, each of them will serve as my teacher. I will pick out the good points of the one and imitate them, and the bad points of the other and correct them in myself.
True knowledge is when one knows the limitations of one's knowledge.
Future generation is the most important thing.
To study and at times practice what one has learned, is this not a pleasure?
Don't do unto others what you don't want others to do unto you.