# David Senra - How Elon Works (Transcription) (Highlights) ![rw-book-cover|256](https://pbs.twimg.com/profile_images/864590942833004544/T2y78OGD.jpg) ## Highlights - A maniacal sense of urgency is our operating principle. ([View Highlight](https://read.readwise.io/read/01k93qpgdvxtppv8406463p8c1)) ^953781640 - You should go ultra-hardcore on deletion and simplification. ([View Highlight](https://read.readwise.io/read/01k93qqydyspm7hx4zcqe3sv2m)) ^953781839 - If you aren’t adding back at least 10% of the things you deleted, then you didn’t delete enough. ([View Highlight](https://read.readwise.io/read/01k93rt4a0ayeeqexcr497c68y)) ^953787160