He who learns but does not think, is lost. He who thinks but does not learn is in great danger.

When you see a good man, think of emulating him; when you see a bad man, examine your own heart.

It does not matter how slowly you go as long as you do not stop.

If you look into your own heart, and you find nothing wrong there, what is there to worry about? What is there to fear?

Those people who develop the ability to continuously acquire new and better forms of knowledge that they can apply to their work and to their lives will be the movers and shakers in our society for the indefinite future.

When a man's knowledge is sufficient to attain, and his virtue is not sufficient to enable him to hold, whatever he may have gained, he will lose again.

When you are ignorant about something, to know that you are ignorant about it - that is knowledge.