淨名經集解關中疏 2.164

2.164

所以者何。菩提者無住處。是故無有菩薩得者　五釋。無所得故為得。肇曰。菩提之道無為無相自無住處。誰有得者。

"Why is this? Bodhi has no dwelling place; therefore, there is no bodhisattva who attains it." Fifth, explanation: attainment consists in having nothing to attain. Zhao says: "The path of bodhi is unconditioned and without marks, of itself having no dwelling place. Who could attain it?"