Timendi causa est nescire -
Ignorance is the cause of fear.

Ignorant people see life as either existence or non-existence, but wise men see it beyond both existence and non-existence to something that transcends them both; this is an observation of the Middle Way.

It is better to conceal one's knowledge than to reveal one's ignorance

Most men ebb and flow in wretchedness between the fear of death and the hardship of life; they are unwilling to live, and yet they do not know how to die.

among all you know, there is one that you do not know. it is ignorance.

We are more wicked together than separately. If you are forced to be in a crowd, then most of all you should withdraw into yourself