The following is an ancient and popular Buddhist mantra for compassion. The jewel in the lotus has been interpreted as the unfolding of the jewel of spirituality or enlightenment within the lotus of awakened consciousness, the wedding of wisdom and compassion, and the awakening of the Buddha (or and Christ) within the heart.
Om Mani Padme Hum(Pronounced Om Mah-nee Pud-may Hoom)
Translation: Hail to the jewel in the lotus!