What you do today defines your future. Your now contributes forward.
Every action counts. Putting in the long hours working. Learning the skills that will help you succeed.
But don’t forget you must rest. And exercise. These too contribute. They mean you are in good condition for tomorrow.
Don’t forget people either. Be social. With family, with friends. It will mean your future is not empty.
There are many ways to contribute to your future. Don’t over contribute in one or the other swill suffer.