"Humans are not the end result of predictable evolutionary progress, but rather a fortuitous cosmic afterthought, a tiny little twig on the enormously arborescent bush of life, which if replanted from seed, would almost surely not grow this twig again...But, you see, you don't see that unless you're willing to look at the history of life as the full range of its variation through time. I mean, it is true the most complex thing has gotten more complex. Once there were only bacteria. Now there are humans, but that's not the result of an intrinsic defining central drive. It's just a kind of random movement away from a necessary beginning at maximal bacterial simplicity. That's all it is.
The human mind delights in finding pattern—so much so that we often mistake coincidence or forced analogy for profound meaning. No other habit of thought lies so deeply within the soul of a small creature trying to make sense of a complex world not constructed for it...
We are here because one odd group of fishes had a peculiar fin anatomy that could transform into legs for terrestrial creatures; because the earth never froze entirely during an ice age; because a small and tenuous species, arising in Africa a quarter of a million years ago, has managed, so far, to survive by hook and by crook. We may yearn for a 'higher' answer---but none exists."
Stephen Jay Gould
If it was not for the epic and horrific events that were responsible for the Dinosaurs awful fate the human animal would not be part of this grand evolutionary existence.
"The more I learn about the universe, the less convinced I am that there's any sort of benevolent force that has anything to do with it, at all."
Neil deGrasse Tyson