Four Noble Truths　四諦 One of the basic teachings of the Buddha: 1) the truth that life is full of suffering, 2) the truth that the cause of suffering is craving originating from self-attachment, 3) the truth of extinction of suffering called nirvaa, and 4) the truth regarding the path to nirvana, i.e.,the Eightfold Noble Path. SeeThirty-seven factors leading to enlightenment.