Paul Graham on Twitter: "One way to tell when something is done is when you start to back out a lot of changes."

Country	Code	For customers of
United States	40404	(any)
Canada	21212	(any)
United Kingdom	86444	Vodafone, Orange, 3, O2
Brazil	40404	Nextel, TIM
Haiti	40404	Digicel, Voila
Ireland	51210	Vodafone, O2
India	53000	Bharti Airtel, Videocon, Reliance
Indonesia	89887	AXIS, 3, Telkomsel, Indosat, XL Axiata
Italy	4880804	Wind
3424486444	Vodafone
» See SMS short codes for other countries

1. Mike Kehoe‏ @mk_kehoe 27 Mar 2019
  Replying to @paulg
  
  Or when you hit your artificial deadline set to combat perfectionism!
  
  1 like
  Thanks. Twitter will use this to make your timeline better. Undo
  
  Undo
1. Mr Reply Guy‏ @StevenPWalsh 27 Mar 2019
  Replying to @paulg
  
  I would have wrote less, but I didn't have time.
  
  4 likes
  Thanks. Twitter will use this to make your timeline better. Undo
  
  Undo
1. Show replies
1. Scott Velasquez‏ @const_ptr 27 Mar 2019
  Replying to @paulg
  
  Agreed, applies to software development as well. Backing out and sometimes rejecting fixes due to concern over knock-on effects.
  Thanks. Twitter will use this to make your timeline better. Undo
  
  Undo
1. Tim Suzman‏ @TimSuzman 27 Mar 2019
  Replying to @paulg
  
  Was going to request a “How to write like pg” essay, but you’ve written about it some already. I think what we really need is a “How to think like pg” essay.
  
  4 likes
  Thanks. Twitter will use this to make your timeline better. Undo
  
  Undo
1. Agnel Vishal ⓩ ‏ @agnelvishal 27 Mar 2019
  Replying to @paulg
  
  Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away. -Antoine de Saint-Exupery
  
  6 likes
  Thanks. Twitter will use this to make your timeline better. Undo
  
  Undo
1. Leif Strand‏ @leifboo 27 Mar 2019
  Replying to @paulg
  
  . That’s how I always knew I was done with a charcoal drawing.
  Thanks. Twitter will use this to make your timeline better. Undo
  
  Undo
1. David N. Sharifi‏ @LATechLaw 27 Mar 2019
  Replying to @paulg
  
  “An artist’s work is never complete” But a pro can produce high quality work product within a set time
  Thanks. Twitter will use this to make your timeline better. Undo
  
  Undo
1. Tshepo Mohlala‏ @tscepo 28 Mar 2019
  Replying to @paulg
  
  Tshepo Mohlala Retweeted Tshepo Mohlala
  
  https://twitter.com/tscepo/status/1098375627697205249?s=21 …
  
  Tshepo Mohlala added,
  
  Tshepo Mohlala @tscepo
  
  Replying to @josephcohen
  
  Math approach: If a thing is indefinitely reducible in complexity, it reduces to nothing, or asymptotically to some value. That value either lies above or below “complex” threshold. Try feeling for the diminishing returns near the asymptote to know where you’re at
  Thanks. Twitter will use this to make your timeline better. Undo
  
  Undo