etām — all this; vibhūtim — opulence; yogam — mystic power; ca — also; mama — of Mine; yaḥ — anyone who; vetti — knows; tattvataḥ — factually; saḥ — he; avikalpena — without division; yogena — in devotional service; yujyate — is engaged; na — never; atra — here; saṁśayaḥ — doubt.