A bird does not sing because it has an answer. It sings because it has a song.

A filthy mouth will not utter decent language.

Each generation will reap what the former generation has sown.

If you don't want anyone to know, don't do it.

A rat who gnaws at a cat's tail invites destruction.

A book tightly shut is but a block of paper.

Teachers open the door. You enter by yourself.

A book holds a house of gold.

A gem is not polished without rubbing, nor a man perfected without trials.

A book is like a garden carried in the pocket.

Be the first to the field and the last to the couch.

A fool judges people by the presents they give him.

Do good, reap good; do evil, reap evil.

A nation's treasure is in its scholars.

If you are patient in one moment of anger, you will escape a hundred days of sorrow.

Not until just before dawn do people sleep best; not until people get old do they become wise.

A bit of fragrance clings to the hand that gives flowers.

If heaven made him, earth can find some use for him.

He who strikes the first blow admits he's lost the argument.

Don't open a shop unless you like to smile.

A child's life is like a piece of paper on which every person leaves a mark.

Deep doubts, deep wisdom; small doubts, little wisdom.

Do not fear going forward slowly; fear only to stand still.

Dig the well before you are thirsty.