Answer in about 100 - 120 words.

While it is important to understand the past, it is more important to value the future. Why?

While it is important to understand the past, it is more important to value the future, because the past is already gone, and we can do nothing to change it for our good. But the future lies ahead of us, with all its opportunities and threats.

Therefore, if we learn to handle the present well, and can successfully implement our thoughts into action, we will have the future in our own hands to shape. We owe a duty to the future, and must perform today to fulfil those obligations for tomorrow. It is true that the past is one that has endowed upon us facts and left a lot of mysteries to be solved, but the future is more important in this respect, because it is completely unknown and hides so many truths. It almost invites us to come search for it as if it were a quest for the unknown. These are the chief reasons why it is important to understand the past, but more important to value the future.