You do not really know your friends from your enemies until the ice breaks.
More Icelandic Proverbs:
Tomorrow says the lazy.Icelandic
All old sayings have something in them.
Icelandic
Slow and sure.
Icelandic
A fall bodes a lucky journey from the house but not toward it.
Icelandic
No one wants to remember his childhood.
Icelandic
Sweet is the smell from your own ass.
Icelandic