Ch'an Master Ch'an Yuan, out of great compassion, wrote his work Practice and Attain Sudden Enlightenment, using the dialogue format between a monk-student and his master to develop concepts about the nature of the Absolute, Original Mind, Enlightenment, practice, etc., assuming that future student of the Dharma would surely benefit from this design. The world is so structured that each sentence, if read with care and attention and clarity, can reveal one's True Nature; and each word can enlighten one's mind, purifying one's evil or impure thoughts and wiping out one's heterodox views. Ch'an Master Ch'an Yuan points directly to the Wonderful Source of one's True Nature and reminds his reader-students that, whether they use the sudden or the gradual method to become enlightened, when the time is ripe they will attain Bodhi completely and thoroughly and, thereby, become Buddhas suddenly.