維摩經玄疏 6.29

6.29

二、約不共般若圓教明法性實相為大乘經體者，一切諸法即是佛性、涅槃、如來藏也，是則二乘在座如聾如瘂。譬若如意寶珠，非頗梨珠，豈可言同也！

Second, clarifying the true mark of dharma-nature as the substance of Mahāyāna sūtras in terms of unshared prajñā under the perfect teaching: all phenomena are precisely buddha-nature, nirvāṇa, and tathāgatagarbha; thus the two vehicles in the assembly were as if deaf and mute. It is like a wish-fulfilling jewel, not a crystal bead; how could one speak of similarity!