Data Science Make it work, make it right, make it fast I first heard this phrase from Gael Varoquax (one of the core scikit-learn committers) in a talk[1], and I loved the super-concentrated wisdom of it: Make it work. First of all, get it to compile, get it to run, make sure it spits
Programming How to write good software faster (we spend 90% of our time debugging) If we spend the majority of our programming time and effort on debugging, we should focus our efforts on speeding up our debugging (rather than trying to write code faster).