In Śāntideva’s vision, compassion (karuṇā) is the very heart of the bodhisattva path, the fundamental motivation from which all other aspects of practice unfold. The arising of bodhicitta—the resolve to attain Buddhahood for the sake of all beings—rests on a deep, contemplative awareness of the pervasive suffering of sentient beings and the wish to free them from it. In this way, compassion is not treated as a secondary ornament of practice, but as the root from which the bodhisattva vow itself grows. It is what distinguishes the bodhisattva orientation toward universal liberation from more narrowly self-focused spiritual aims.

From this compassionate resolve flow the bodhisattva’s concrete disciplines, especially the six perfections (pāramitās) of generosity, ethics, patience, effort, meditation, and wisdom. These are not pursued as mere personal virtues, but as deliberate means to alleviate suffering and to guide others toward awakening. Generosity, for example, is framed as responding to the needs and vulnerabilities of others, while ethical conduct and patience are sustained by seeing those who harm or obstruct as themselves bound by ignorance and affliction. This recognition transforms potential anger into understanding, allowing the practitioner to endure hardship without hatred and to maintain a stable, benevolent intention.

Śāntideva also presents compassion as the direct antidote to self-cherishing, which is identified as the root of suffering. By repeatedly turning the mind toward the welfare of others, the habitual fixation on one’s own advantage is gradually undermined. Practices such as exchanging self and other serve to expand compassion beyond partiality, challenging the tendency to reserve care for a limited circle of intimates. As this impartial compassion matures, it becomes the measure of spiritual progress: the more spontaneous, universal, and unwavering it is, the more fully the bodhisattva ideal is embodied.

Finally, compassion and wisdom are portrayed as mutually reinforcing and inseparable. Insight into emptiness (śūnyatā) loosens rigid distinctions between self and others, allowing compassion to become more expansive and unbiased, while genuine wisdom is said to be incomplete if it does not manifest as active concern for suffering beings. At the same time, compassion guided by such insight avoids becoming entangled in attachment or despair, because it recognizes the empty nature of the very afflictions it seeks to remedy. In this way, Śāntideva presents a path in which the deepest understanding of reality and the most profound care for others arise together, each deepening and purifying the other.