This humanity speech by Neil deGrasse Tyson might get you to think about life and your existence a little more differently than ever imagined. The brilliant astrophysicist even says that the content of such keeps him up at night.
Neil suggests that perhaps we're not as intelligent as we think we are. We are only comparing our intelligence to what is available on the planet Earth.
His humanity speech compares humans to chimps which we share a majority of DNA with. The tiny percentage that differentiates us from chimps indicates our greater intelligence. He asks that if the genetic difference between humans and chimps is so miniscule than maybe the difference between our intelligences may be that small.