When prosperity comes, do not use all of it.

Some suggestions for you :

When anger rises, think of the consequences.

The green reed which bends in the wind is stronger than the mighty oak which breaks in a storm.

Think of tomorrow, the past can't be mended.

When words lose their meaning, people lose their freedom.

The object of the superior man is truth.

Ability will never catch up with the demand for it.

The Man who says he can, and the man who says he can not.. Are both correct.

The strength of a nation derives from the integrity of the home.

A lion chased me up a tree, and I greatly enjoyed the view from the top.

When you have faults do not fear to abandon them.

He who wishes to secure the good of others, has already secured his own.

If you are the smartest person in the room, then you are in the wrong room.

Be not ashamed of mistakes and thus make them crimes.

A gentleman would be ashamed should his deeds not match his words.