The first line up there includes the iconic words that Carl Sagan uttered when the original Cosmos - A Personal Voyage opened in the eighties. The second line opened the follow-up series titled Cosmos - A Spacetime Odyssey which aired last Sunday with Tyson as the host, who pays tribute to Sagan through these words.
There are a small number of universal human languages which are very widely understood. English itself is one, the arts are another, there is sport - especially football - and there is science. The language of science, underpinned by the Scientific Method, is one of humanity's purest languages - perhaps second only to maths.