[She wasn't going to write in the tablet, at least not to anyone other than her sons. Perhaps other Asgardians, should they appear. But the runes catch her eye, a thing from longer ago than most Midgardians can recall. So in her own hand - written with a delicate touch instead of a standard text appearing - in runes that do not translate themselves to English:]
Be cautious before you determine that it is truly a gift.