30: "Buddhas of Activity."  The 'Pratyeka Buddhas.'  This is a degree which belongs exclusively to the Yogacharya School, yet it is only one of high intellectual development with no true spirituality....It is one of the three paths to Nirvana, and the lowest, in which a yogi—"without teacher and without saving others"—by the mere force of will and technical observances, attains to a kind of nominal Buddahood individually."—Theosophical Glossary.