There are 6 smart ways to be ruthless. (On Medium, Twitter & in real life.)
You’re already ruthless.
Here’s how I know: There are 7,000,000,000+ people on the planet. Most of their names, you haven’t even bothered to learn. How rude.
You’ll deign to cross paths with (maybe) a few hundred today. Most of those, you’ll ignore. Ruder still.