“Life is short…” and explain.

Life is short because that's what Mother Nature wants to do. If Mother Nature wanted to end life now, Mother Nature would. Life can be short. We don't always know why.

explanation:

it's important for any number of settings.   but then i'm a retired teacher and my view may be biased.

it certainly will not weigh as a minus when applying to a college, while poor grades always work against you.

other factors are important like what you do to improve the community.