Before you mount, look to the girth.
More Dutch Proverbs:
It's better that the bakers are on horseback than the doctors.Dutch
He that is at sea has not the wind in his hands.
Dutch
The that creepeth falleth not.
Dutch
Merchant's goods are ebb and flood.
Dutch
What the old ones sing, the young ones whistle.
Dutch
Where a man feels pain he lays his hand.
Dutch