Real knowledge is to know the extent of one's ignorance.

Next quotes

• Confucius:

  When anger rises, think of the consequences.

• Confucius:

  You cannot open a book without learning something.

• Confucius:

  Never give a sword to a man who can't dance.

• Confucius:

  The superior man acts before he speaks, and afterwards speaks according to his action.

• Confucius:

  A superior man is modest in his speech, but exceeds in his actions.

• Confucius:

  To know what you know and what you do not know, that is true knowledge.

• Confucius:

  Wisdom, compassion, and courage are the three universally recognized moral qualities of men.

• Confucius:

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

• Confucius:

  What you do not want done to yourself, do not do to others.

• Confucius:

  Only the wisest and stupidest of men never change.