He is transformed, but I perceive him not.
He further declares it in the introductory verse to his Osteology:
Joyfully some years ago,
Zealously my spirit sought
To explore it all, and know
How all nature lived and wrought:
And 'tis ever One in all,
Though in many ways made known;
Small in great, and great in small,
Each in manner of its own.