We were all born and, sadly, will all die at some point. Our time on Earth is both limited and inadequate. Given these truths, time is the most important item you own. It is not money; unlike time, money may be borrowed, saved, or earned. That is impossible to achieve with time. Every second you waste is lost forever.
People tend to manage their time more wisely when they realize that life is limited. It makes you consider how you would choose to spend your time on Earth.
If you're reading this, you're probably struggling with procrastination or are attempting to assist someone who is. You've undoubtedly tried and failed to conquer procrastination in the past.