Skill and assurance make an invincible combination.
More Dutch Proverbs:
It sticks to his fingers, like the charity-money to the matron.Dutch
First catch your hare, then cook it.
Dutch
When cats are mousing they don't mew.
Dutch
It's ill waiting for dead men's shoes.
Dutch
Every day a thread makes a skein in the year.
Dutch
Between two stools you come to the ground.
Dutch