Timeline of the life is not just seconds, minutes or hours. It's a story of the past, present and the future. Past makes the memories. Present processes them to unlock the unseen future. According to the God's law, present plays a most important role. That's why it is present. Present will be the bridge for the known and unknown things in the life. Present reveals the future.
Unfortunately,
people don't live in the present. They always think about past and the future. But once you realize the God's law, you will be rewarded the happiness. You will be unveiled the unseen truth of life.
Try to realize.