Tathāgatagarbha, or Buddha-nature, plays a crucial role in the path to enlightenment. It is the inherent potential for awakening that exists within all sentient beings. This concept is rooted in the Mahayana Buddhist belief that all beings possess the potential to become Buddhas, or fully awakened beings.

The idea of Tathāgatagarbha is often compared to a seed that has the potential to grow into a beautiful flower. Just as a seed contains all the necessary components to become a plant, all beings possess the qualities necessary to attain enlightenment. This means that even those who may seem ignorant or deluded have the potential to awaken and reach the state of Buddhahood.

One of the main functions of Tathāgatagarbha is to counter the negative view of self that is often present in Buddhist teachings. In traditional Buddhist thought, the concept of self is seen as an illusion that leads to suffering. However, Tathāgatagarbha presents a more positive view of self, stating that although the self may be empty of inherent existence, it still possesses the potential for enlightenment.

This concept also serves as a source of hope and inspiration for practitioners on the path to enlightenment. It reminds them that they are not inherently flawed or lacking, but rather have the potential to reach the highest state of awakening. This can be a powerful motivator for those who may feel discouraged or overwhelmed on their spiritual journey.

Furthermore, Tathāgatagarbha plays a role in the process of purification and transformation. By recognizing and nurturing the Buddha-nature within oneself, individuals can gradually overcome negative habits and tendencies and cultivate positive qualities such as compassion, wisdom, and inner peace. This process ultimately leads to the realization of one's true nature and the attainment of enlightenment.

In summary, Tathāgatagarbha serves as a guiding principle and source of inspiration on the path to enlightenment. It counters negative views of self and provides hope and motivation for practitioners. It also plays a crucial role in the process of purification and transformation, leading to the ultimate goal of awakening and liberation from suffering.