Memories never leave us
Memories. The best thing is to use a camera for them. It will help you to take pictures. That way memories will stay forever. In digital millennium everything is recorded and presented. Moments and memories make our life more significant. We can always take a look of what has been achieved, and be proud of it. Also we can share them with people who mean a lot for us. Though, sometimes people tend to forget things.
To gain once known mighty again it is sometimes essential to put yourself in the right condition. Memories work the same way. The body helps to relive that very moment through which the brain can bring it back. Make your body memory work. Also, sometimes sounds can help to recover certain moments. Like, where you heard certain music that inspired you to do on something to happen, or encourage friends to perform you favour. Turn it on. Bring yourself to that very Deja vu condition, where everything seems to be familiar to you. It might help.
From past to the future
You will start feeling how greatly things are changed, since those moments. If something did not work recently, it will work today, like it did long time ago. The reason we spontaneously witness things come up out of nowhere in our memories, cause our spirit and consciousness wants to clarify things to move ahead. Completion of the past brings completion to the future. Unsorted questions will always remind you who was wrong. And you have to relieve it. Bring down the forgiveness. This way your future will be brighter.