A dog bites the stone, not him who throws it.
More Icelandic Proverbs:
A quarter depends on cultivation.Icelandic
The sun that melts the wox is the same that hardens the mud.
Icelandic
You can't complain about the sea if you suffer shipwreck for the second time.
Icelandic
It is better to be a master in a cottage than servant in a castle.
Icelandic
Fertile is water that runs under lava.
Icelandic
A man without a book is blind.
Icelandic