well, carpenters "measure twice, cut once"... also, when many people write an argument, then will also write a counter-argument to be thorough. So "design it

well, carpenters "measure twice, cut once"... also, when many people write an argument, then will also write a counter-argument to be thorough. So "design it twice" might be ok. Would there be other techniques that could help, like some sort more adversarial second design?