First of all, you need a revelation from God. Learning to recognise the voice of your Heavenly Father and getting to know Him as your best friend is vitally important. God is willing to give you wisdom, understanding and revelation in every sphere of your life. Though, when a revelation and wisdom are received from God, you have to write them down in whole. Then it becomes a spring of life, that gives breathe to you and brings hope that releases faith and trust on God in you.
To write something down means to record the vision a paper. We have to put it down clearly, the way it makes sense to us later. Thus, we can bring our vision into reality, so that we can expect it and put our hopes upon. This is one of the methods how to cling with the vision together and dedicate yourself to fulfil it. Prophet Habakkuk reminds us about the importance of writing down the vision you have received from God.