"This booklet contains two essays: Four Sublime States by Nyanaponika Thera and the Practice of Loving-Kindness (Mettā) by Ñāṇamoli Thera. The four sublime states, known as the brahmavihārā, are the lofty mental states of love, compassion, sympathetic joy, and equanimity. Ven. Nyanaponika gives a brief description of all four with a section of contemplation exercises for each. He concludes with a section on the interrelationship of all four. Ven. Ñāṇamoli 's essay focuses on the basic brahmavihārā of mettā, translating for us in his lucid style the key passages from the Pali Canon in which the Buddha taught the practice of mettā"--