Answer:
The truth of suffering, the truth of the cause of suffering, the truth of the end of suffering, and the truth of the path that leads to the end of suffering.
The Four Noble Truths. Awareness of these fundamental realities led the Buddha to formulate the Four Noble Truths: the truth of misery ( dukkha; literally “suffering” but connoting “uneasiness” or “dissatisfaction”), the truth that misery originates within the craving for pleasure and for being or nonbeing ( samudaya )
They teach off of D. A sacred book I know this because they have a book called Tripitaka which they teach lessons of there.
Step-by-step explanation:
hope this helped :) i got 100 % by the way