You do not understand even life. How can you understand death?
Knowing something is not as good as liking it. Liking something is not as good as rejoicing in it.
The superior man, when resting in safety, does not forget that danger may come.
Those who know the TRUTH are not equal to those who love it.
The Master said, "A true teacher is one who, keeping the past alive, is also able to understand the present."
To know is to know that you know nothing. That is the meaning of true knowledge.