Astrophysicist Dr. Neil DeGrasse Tyson was asked by a reader of TIME magazine, "What is the most astounding fact you can share with us about the Universe?" The Most Astounding Fact (Neil deGrasse Tyson) - YouTube
I've listening to this many times now. His words carry meaning that I never knew before. He sees a much larger picture than most and conveys it almost perfectly. The hair raises on my back every time. We are connected by his words of wisdom.
There's also a thirty minute video of him appealing to get NASA's budget increased to congress that's a pretty good watch.
He's got one of those voices that entrance you, like Frank Muller. Once you hear it, you can't stop listening. He could be talking about killing someone, cutting up their corpse and serving it to the victims family or simply the things he saw out a bus window on his way home from work and you'd be utterly hypnotised.