“Study the past if you would define the future.”

The superior man understands what is right; the inferior man understands what will sell.

A youth is to be regarded with respect. How do we know that his future will not be equal to our present?

They must often change who would remain constant in happiness and wisdom.

The gem cannot be polished without friction, nor man perfected without trials.

A common man marvels at uncommon things. A wise man marvels at the commonplace.

If you don’t want to do something,don’t impose on others.

Consideration for others is the basis of a good life, a good society.

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

Learning without thought is labour lost; thought without learning is perilous.

Music produces a kind of pleasure which human nature cannot do without.

Learn as if you were not reaching your goal and as though you were scared of missing it.

I hear and I forget. I see and I remember. I do and I understand.

To see what is right and not do it is the worst cowardice.

The way out is through the door. Why is it that no one will use this method?

When you have faults, do not fear to abandon them.

The beginning of wisdom is to call things by their proper name.