In the Madhyamakaśāstra, Venerable Vimalākṣa quotes the Pañcaviṃśatisāhasrikāprajñāpāramitāsūtra:
菩薩有我亦非行無我亦非行 "If the bodhisatva has a self, he cannot act. With no self too, he cannot act." T1564.24b29
I've read this before, but finding it in the sūtra is proving daunting. Where in the root sūtra can we find the passage the Venerable is quoting? Also, where can we find the corresponding section of the Mahāprajñāpāramitāśāstra commentary concerning this statement?