Listen! Who can hear the sound of grass growing? The sound of wool on a sheep’s back, growing?

Who needs less sleep than a bird?
Who is so eagle-eyed that, by day and by night, he can see the least movement a hundred leagues away?

Heimdall and Heimdall and Heimdall.
But who could tell it was Heimdall, that figure on the seashore? The guardian of the gods left his horn Gjall safe in Mirmir’s spring; and he left Gulltop, his golden-manned stallion, behind the stable door; and he strode alone across the flaming three-strand rainbow bridge from Asgard to Midgard.