You’re on one land-mass in one of the satellites of a star. Guess what, some 275 million of those stars are born everyday.
You really think you are significant for anything beyond your own mind ?
I wish that I get to bring a significant contribution within the universe of my mind. That itself would be a life well lived.
For the geek in you, check out the Drake Equation. It explains a lot.
Here are two books that talk about living in the present. Even if you don’t do so, I think this is a habit we all can acquire with practice.
I’ve read the first one, the second one is probably just as good, considering the source of the recommendation.