The Four Great Refuges in Buddha's Teachings are Loving-Kindness (Metta), Compassion (Karuna), Joy in others happiness (Mudita), and Equanimity (Upekha).

Loving-Kindness (Metta) is one the great abode Buddhists practice, take refuge under. The practice of loving-kindness requires a clear understanding in order to have true penetration. Otherwise loving-kindness cannot truly happens.