Yes, I know the quality of the music is mediocre, and sometimes Autotune drives me buggy.

Neither, though, keep me from tearing up at the humanity you can plainly see in the eyes of Stephen Hawking, the powerful thought in this post’s title (courtesy of Richard Dawkins), or Phil Plait’s words:

“Teach a man to reason, and he will think for a lifetime.”

Welcome to the Symphony of Science project. There are a pile of these pieces; here are a few: