I think it's nothing wrong in presenting it (mantras from tantras).
我认为公开(密咒)并没有什么错误。
2
Yoga nidra, which is derived from the tantras, is a powerful technique in which you learn to relax consciously.
瑜伽放松术是从密宗经典中而来的，是一种强有力的技法。
3
The sacred Hindu and Buddhist scriptures known as Tantras provide detailed instructions on a wide range of topics, including spiritual knowledge, technology, and science.