The points I wanted to highlight from this video were: language as a weapon and the concept of one language.
I agree with Mark Pagel when he describes language as a weapon. It is. Just as he describes we can implant our thoughts directly into another person’s brain. Persuading them, manipulating them or encouraging them. The ability to communicate allows us to cooperate and we can achieve the magnificent feats that human kind has reached (e.g. The Great Pyramid or even the iPhone).
My favourite Shakespearan play is Othello. That beautiful play is haunted by one of the most evil characters I’ve encountered, Iago. Someone being evil, for the sake of being evil. Iago’s greatest tool is the seed of doubt. That tiny idea he implants inside Othello’s pure mind corrupts. How did he tear down a great, humble, loving man into a jealous, broken and murderous husband? Words. Language.