維摩經玄疏 6.20

6.20

二、約共不共教簡別同異者，就此即為二：一，約共二乘說般若，明法性實相有同有異；二，約不共二乘說般若，明法性實相但異非同。

Second, distinguishing similarities and differences in terms of shared and unshared teachings: under this there are two [aspects]: first, in terms of expounding prajñā shared with the two vehicles, clarifying that the true mark of dharma-nature has similarities and differences; second, in terms of expounding prajñā unshared with the two vehicles, clarifying that the true mark of dharma-nature is exclusively different and not similar.