What does fais ce que dois advienne pourra?

The phrase "fais ce que doit advienne que pourra" is a French idiom that means "do what you must and let happen what may." It is often used in situations where there is uncertainty or risk involved, but it is important to take action regardless. The phrase encourages us to take steps towards our goals even in the face of adversity or fear, and to trust that things will turn out the way they are supposed to.