A. Ignorance (Avidyā).
117. Q. Can you tell me the remedy?
A. To dispel Ignorance and become wise (Prājña).
118. Q. Why does ignorance cause suffering?
A. Because it makes us prize what is not worth prizing, grieve when we should not grieve, consider real what is not real but only illusionary, and pass our lives in the pursuit of worthless objects, neglecting what is in reality most valuable.
119. Q. And what is that which is most valuable?
A. To know the whole secret of man's existence and destiny, so that we may estimate at no more than their actual value this life and its relations; and so that we may live in a way to ensure the greatest happiness and the least suffering for our fellow-men and ourselves.
120. Q. What is the light that can dispel this ignorance of ours and remove all sorrows?
A. The knowledge of the "Four Noble Truths," as the Buddha called them.
121. Q. Name these Four Noble Truths?