Om Swami
What does Patanjali's yoga say about staying morally pure?
Yama: the base of moral purity
The first of Patanjali's steps, yama, is moral purity. It includes non-stealing, nonviolence, truthfulness and celibacy. The goal is to rise above the mind, and there are many steps to get there.
The first steps form the basis, and the first is moral purity: non-stealing, nonviolence, truthfulness, celibacy and the like.