The man is as good as the day is long.
More Icelandic Proverbs:
Easily grasped are the crimes of a hog.Icelandic
Much always longs for more.
Icelandic
A fall bodes a lucky journey from the house but not toward it.
Icelandic
If the icy snow carries you at midsummer, then we can expect a late spring.
Icelandic
He who knows only few things, has little to forget.
Icelandic
Bad birds seldom bring good weather.
Icelandic