This mind training text by the Sakya master Togme Zangpo is studied by all the Tibetan Buddhist traditions. The number 37 is significant; there is a set of 37 practices or factors that lead to a purified state. These are well-known practices followed on a graded course of development to progress toward either liberation, following a Hinayana path, or enlightenment, following a Mahayana path. The 37 bodhisattva practices presented in this short text provide the guidelines for the complete bodhisattva path.