Your eyes are always bigger than your stomach.

Never tire to study. And to teach to others

Great as heaven and earth are, men still find some things in them with which to be dissatisfied. Thus it is that, were the superior man to speak of his way in all its greatness, nothing in the world would be found able to embrace it, and were he to speak of it in its minuteness, nothing in the world would be found able to split it.

A reasonable man adjusts himself to the world. An unreasonable man expects the world to adjust itself to him. Therefore all progress is made by unreasonable people.

When I am with others, they are my teachers. I can select their good points and follow them, and select their bad points and avoid them.

The wise men of antiquity, when they wished to make the whole world peaceful and happy, first put their own States into proper order. Before putting their States into proper order, they regulated their own families. Before regulating their families, they regulated themselves. Before regulating themselves, they tried to be sincere in their thoughts. Before being sincere in their thoughts, they tried to see things exactly as they really were.

To see and listen to the wicked is already the beginning of wickedness.