US-P18.100ab ।US-P18.100cd ॥
In plain words
Just as Brahma dispelled the darkness of Rama's mind simply by speaking, requiring no secondary effort to awaken his divine identity, so too is the word sufficient.
Close to the Sanskrit
Just as Brahma indeed spoke and dispelled the darkness of Dasharatha's son, in awakening his Vishnu-ness he did not speak of any further effort.