# Elon Musk: The Most Comm... ![rw-book-cover](https://pbs.twimg.com/profile_images/1777554101338865664/wTE0LT61_x96.jpg) ## Metadata - Author: [[@elon_docs on Twitter]] - Full Title: Elon Musk: The Most Comm... - Category: #tweets - URL: https://twitter.com/elon_docs/status/1810974582053933266 ## Highlights - Elon Musk: The most common error of a smart engineer is to optimize a thing that should not exist. <video controls><source src="https://video.twimg.com/ext_tw_video/1810974316034428930/pu/pl/Dl88rQ_WB3RgZuvr.m3u8?tag=14" type="application/x-mpegURL"><source src="https://video.twimg.com/ext_tw_video/1810974316034428930/pu/vid/avc1/480x270/fUD1e2km9Iv-xEXV.mp4?tag=14" type="video/mp4"><source src="https://video.twimg.com/ext_tw_video/1810974316034428930/pu/vid/avc1/640x360/disXcKMHrsOb8oz6.mp4?tag=14" type="video/mp4"><source src="https://video.twimg.com/ext_tw_video/1810974316034428930/pu/vid/avc1/1280x720/tPTq5jxkgF6Ugc2X.mp4?tag=14" type="video/mp4"><source src="https://video.twimg.com/ext_tw_video/1810974316034428930/pu/vid/avc1/1920x1080/i_1LzgWJXGeuPDDa.mp4?tag=14" type="video/mp4">Your browser does not support the video tag.</video> ([View Tweet](https://twitter.com/elon_docs/status/1810974582053933266))