What Are Gradual Cultivation and Sudden Enlightenment?

In the Śūraṅgama Sūtra, the Buddha taught: principle requires sudden enlightenment, while practice requires gradual cultivation. This means that the principle of the tathāgatagarbha is suddenly realized in a single instant; however, although one suddenly awakens to this true principle, the mental activities are not yet completely purified, and ignorance has not been entirely eliminated and extinguished. These afflictions of ignorance and the afflictions as numerous as dust and sand must, after sudden enlightenment, be progressively removed through contemplative observation when encountering conditions and circumstances. But this does not mean that one can achieve sudden enlightenment without having severed even a bit of ignorance and afflictions; if so, one would be a bound-up ordinary being, unable to become a sage who suddenly awakens to the noble path.

Before sudden enlightenment, there still needs to be a process of gradual cultivation, which differs from the gradual cultivation after enlightenment; the two are completely different in nature. The gradual cultivation before sudden enlightenment is the practice of the thirty-seven factors of the path and the bodhisattva's six perfections, the cultivation of precepts, meditation, and wisdom, and the full development of the four roots of goodness—heat, peak, patience, and the foremost worldly dharma—only then can one suddenly awaken to the Mahāyāna and Hīnayāna teachings. If this issue is illustrated with an analogy, the dharma principle will become clearer. For example, in felling a thousand-year-old tree, the trunk is very thick; to cut the trunk down, one must use tools to saw through it bit by bit—this process is equivalent to the process of gradual cultivation, while finally bringing the old tree down all at once is equivalent to sudden enlightenment. Therefore, without gradual cultivation there is no sudden enlightenment.

The processing after the tree is felled—such as stripping the bark, cutting it into planks, sanding, polishing, waxing, coloring, and so on—is similar to gradual cultivation after enlightenment; finally assembling the planks into pleasing furniture and handicrafts is equivalent to the ultimate sudden enlightenment of attaining buddhahood. Felling an old tree is extremely laborious and arduous, requiring patience, endurance, and physical strength; the tools must be sharp, and the skill must be excellent—this is equivalent to the provisions needed for seeing the path. If the provisions are insufficient, one cannot see the path. Some people, as they cultivate, regress, fall behind, and come to a standstill; some simply turn back. On this path of cultivation, the further one goes, the fewer the people: of ten thousand who first generate the aspiration, hardly any persist, and among those, perhaps not even one attains the way. Therefore sages are as rare as phoenix feathers and unicorn horns—extremely rare and precious; when you encounter one, you should cherish it.

Some people mix up the gradual cultivation before enlightenment with the gradual cultivation after enlightenment, believing there is no gradual cultivation before enlightenment, and that cultivation is a matter for after enlightenment. But a sudden enlightenment without gradual cultivation does not even count as intellectual awakening; it is entirely emotional conjecture and mental speculation, without the slightest benefit of merit—unless one is a bodhisattva of the various bhūmis with extremely great roots of goodness, who, due to a deep foundation from past lives, can directly achieve sudden enlightenment. Gradual cultivation before enlightenment is precisely the process of transforming the ordinary person's mental disposition into the sage's mind; it is the process of being reborn and transformed, the metamorphosis before the carp leaps over the dragon gate. Without this process, how could the transformation occur? Therefore, to observe whether a person has genuinely awakened, one must observe their mental disposition, observe their bones—not look at the superficial glamour, eloquence, and boastful talk. The essence is what matters most.

Gradual cultivation is making one's body and mind gradually approach and resemble the body and mind of sages; only when one reaches the standard of the sages can one suddenly awaken and see the path. This is the process of cultivating the mind: if the mind does not change, if it is not the mental activity of a sage, one cannot become a sage. Therefore gradual cultivation is very important; it is the key step for generating wisdom acquired through cultivation. Before this, one only has wisdom acquired through hearing and wisdom acquired through reflection, which are very shallow and cannot resist the karmic obstructions of birth and death in the slightest. Only when the wisdom acquired through cultivation is complete can the wisdom attained through realizing the path arise, sparing one from the karma of the three evil destinies, severing afflictions, and freeing oneself from the suffering of saṃsāra.