His rule of 50/30/20 also starts to come out here – 50% working on new, innovative, creative work, 30% teaching, and 20% on whatever else you have to do.

"Bill Atkinson, the author of Quickdraw and the main user interface designer, who was by far the most important Lisa implementor, thought that lines of code was a silly measure of software productivity. He thought his goal was to write as small and fast a program as possible, and that the lines of code metric only encouraged writing sloppy, bloated, broken code."

OKR (Objectives and Key Results) is a goal system used by Google and others. It is a simple tool to create alignment and engagement around measurable goals.
Doerr’s formula is the best way to explain the structure of an OKR:
"I will (Objective) as measured by (this set of Key Results)."