Where there's a will, there's a way.
Explanation:
This is a famous saying. This means that when you are determined to do something, there is nothing that can stop you. Even if there are hurdles in your way, it will help you over come every thing if you are determined to achieve a particular target.
The narrative that if you want to see the rainbow, you have to stand a little rain means that in order to get something, you will have to bare some obstacles and hurdles. You will have to overcome everything to reach the goal and your determination will help you do that.
