The strongest memory is not as strong as the weakest ink.

The great mountain must collapse, the mighty beam must break and the wise man wither like a plant.

Of all that Heaven produces and nourishes, there is none so great as man.

When anger rises, think of the consequences.

The man of perfect virtue, wishing to be established himself, seeks also to establish others; wishing to be enlarged himself, he seeks also to enlarge others.

If I am virtuous and worthy, for whom should I not maintain a proper concern?

Therefore only through education does one come to be dissatisfied with his own knowledge, and only through teaching others does one come to realize the uncomfortable inadequacy of his knowledge. Being dissatisfied with his own knowledge, one then realizes that the trouble lies with himself, and realizing the uncomfortable inadequacy of his knowledger.