There is no limit to the free source of entering the second door.

"Infinite freedom is the only way to enter" comes from Vimalakīrti's classic.

The full name of Vimalakīrti Sutra is Unbelievable Interpretation Sutra, which is a Buddhist classic and a dialogue between Sakyamuni Buddha and a monk in Vimalakīrti.

This Buddhist sutra mainly tells the dialogue between Sakyamuni Buddha and a Buddhist in Vimalakīrti and a Buddhist in Vimalakīrti.

Buddhist scriptures occupy an important position in Buddhism and are regarded as one of the important Buddhist classics.