can't make an omelette without breaking (some) eggs

[can't make an omelette without breaking (some) eggs] To achieve a certain goal one must sometimes incur damage, experience difficulties, or make sacrifices. - A proverb.

When we drove across the country, we put a lot of mileage on our car and had a flat tire, but it was a pleasant trip. "Well, you can't make an omelette without breaking some eggs," my wife said with a smile.