"You'll have time to rest when you're dead"

In this quote, Robert De Niro is indicating that life is brief and we need to make the most of it while we can. He is recommending that we need to not lose our time resting or slouching, but rather, we must utilize our time wisely and live life to the maximum. De Niro is advising us that death is unavoidable and we must not take our time on this earth for approved. He is motivating us to be productive and make the most out of every minute, as we will have a lot of time to rest when we are no longer alive. This quote functions as a suggestion to live life with purpose and make the most out of every chance.