First, before one can achieve anything one must know exactly what one wants to accomplish. The sharper in your mind you can visualize your goal the easier it is to achieve. The more vague and fuzzy it is in your mind the more vague and inprecise will be the fulfillment of your goal. Second, one must have a strong desire to manifest your miracle, your goal, your reality. The less important it is to you the less energy will be available for you to manifest your reality.
All reality begins as thought but it needs energy to become manifest.
That energy is desire. It needs energy to be transformed from thought to reality. That energy is your desire. Athletes don't achieve olympic gold medals because they sorta wanted it. No, they desired it above all else and married that desire with the crystal clear vision of their goal.