Jesus speaks of Satan causing the person to forget what he has heard as if Satan were a bird snatching the seed from the ground. Alternate translation: "The evil one causes him to forget the message that he has heard just as a bird snatches away seed from the ground" (See: [[rc://en/ta/man/translate/figs-metaphor]])
This can be translated in active form: Alternate translation: "the message that God sowed in his heart" or "the message that he heard" (See: [[rc://en/ta/man/translate/figs-activepassive]])