As every divided kingdom falls, so every mind divided between many studies confounds and saps itself. — Leonardo da Vinci. Italian Renaissance polymath (1452–1519) Education
I have been impressed with the urgency of doing. Knowing is not enough; we must apply. Being willing is not enough; we must do.
Life is pretty simple: You do some stuff. Most fails. Some works. You do more of what works. If it works big, others quickly copy it. Then you do something else. The trick is the doing something else.