ᴛᴀxɪ ᴅʀɪᴠᴇʀ 🚕 (ʀᴏʙᴇʀᴛ ᴅᴇ ɴɪʀᴏ) (road2_120wpm)

Relativity is relatively easy to understand. But there's one aspect of relativity that consistently trips us up. It's this: we not only tend to compare things with one another but also tend to focus on comparing things that are easily comparable, and avoid comparing things that cannot be compared easily.