Ven. Ayya Khema was born into a Jewish family in Berlin in 1923. After leading an active life in the world--including marriage and children in America and adventure in South America, Asia and Australia--she turned seriously to spiritual practice in her forties. In 1979, she was ordained a Theravadin Buddhist nun, receiving the name "khema," meaning "safety and security" "(ayya" means "sister"). Ayya Khema established a forest monastery near Sidney, Australia; a training center for nuns in Colombo, Sri Lanka; and Buddha-Haus, a meditation center in the Allgau, Germany. Among her books are "When...