Tantric Buddhism is complex and obscure, and sufficiently different in origins and sometimes perhaps tenet from other aspects of Mahayana Buddhism to require separate treatment.

• 密宗（的情况）是非常精深而微妙的，它在起源上就与佛教的其他支派不同，有时甚至在教义上也与大乘佛教的其他部分不同，因此，需要作单独处理。