Shoot the bear before you skin it.
More Swedish Proverbs:
Children travel from the heart to the heart.Swedish
One should choose one's bedfellow whilst it is daylight.
Swedish
What breaks in a moment may take years to mend.
Swedish
The poorest payer is the best collector of his own credits.
Swedish
Praise makes the good man better, blame makes the bad one worse.
Swedish
Don't weep over spilled milk.
Swedish