Jewels. The 'Outer' form is the 'Triple Gem', (Sanskrit:triratna), the 'Inner' is the Three Roots and the 'Secret' form is the 'Three Bodies' or trikaya of a Buddha. These alternative refuge formulations are employed by those undertaking deity yoga and other tantric practices within the Tibetan Buddhist Vajrayana tradition. See also References Citations Works cited . . . . . . . . . . . . . . . . . . Further reading . . . . External links Refuge at StudyBuddhism.com A Buddhist View on Refuge Vajrayana refuge prayer audio What are the Three Jewels? at Tricycle.org Buddhist devotion Buddhist philosophical concepts Buddhist practices Faith in Buddhism Statements of faith Tibetan Buddhist practices Vajrayana practices