His scholarship is impeccable; it is plain that he never writes until he has thought deeply, and until he has sought out every relevant piece of existing knowledge.
Kanyang kaalaman ay hindi maaaring magkasala; ito ay plain na siya hindi magsusulat hanggang siya ay may-iisip ng matindi, at hanggang siya ay sought out lahat ng mga kaugnay na piraso ng umiiral na kaalaman.