When you're diving headfirst into a research rabbit hole, questioning everything, and refusing to take anything at face value, you're totally embodying the spirit of Rationalists everywhere - and that's where this emoji combo comes in. You're scrolling through a heated debate online, someone drops a suspicious claim, and your first thought is hold up, let me fact-check this. That's when you bust out the 🤔📚🔍, signaling that you're about to get your Sherlock on and separate fact from fiction.