9-4c1 If you can't write about it, you can't code it. If you can't program it, you don't understand it.

When you invert this, it means writing about any subject helps you understand better. You’ll be able to code better as you write about it. You will understand better as you code the program. And LLMs made that transition from writing to coding easier.

Repeat: write → code → read → rewrite

Next:

• 9-4c2 ‘Programs should be written for people to read, and only incidentally for machines to execute.’ ‘Design to express algorithms, and only incidentally tell machines how to execute them.‘

Related Notes:

• 2-1a0aa Applied Occam’s razor - ‘If you can’t program it, you don’t understand it. If you can’t write about it, you can’t code it.‘
• 9-4e2b SaaS first ⇒ code second ⇒ hire last