If you're excited about web servers, pick up Ruby/Rails - or if you think you might want to create a client side application, pick up Javascript and some framework like Angular or React and build something that you can deploy as soon as possible.
If you're into Machine Learning, pick up Python and start going through ML tutorials and jupyter notebooks while attempting to solve some problem in ML that you find interesting.
Don't pick a language based upon some esoteric development principle that undergirds it. Pick a first language based upon its ability to keep you banging away at the keyboard all night, doing something you think is cool.