No need to plough and sow madmen, they grow by themselves.
More Finnish Proverbs:
The old cow forgets that she was once a calf.Finnish
When something has been denied of you, you can still do it once.
Finnish
Age does not give you good sense, it only makes you go slowly.
Finnish
One sleeps like one makes his bed.
Finnish
You're just like a baby; one never knows what comes and when it comes.
Finnish
If the bathroom and a brandy cannot help a man, then death is imminent.
Finnish