Wisdom is the echo of experience. - James Clear

How to 80/20 your work:

(1) Make a list of the 10 things you spend the most time on.
(2) Circle the two that truly drive your results. Do more of those.
(3) Look at the others. Eliminate ruthlessly. Automate or outsource what you can. Press pause on the rest.
(4) Repeat.

Your teaching ability is constrained by your writing ability.

If you can't write it down, it will be nearly impossible to teach it well.

What you do on your ordinary days determines what you can achieve on your extraordinary days.