focus
Your entire life can change in one year. Not ten. Not five. Not three. One. One year of focused, daily effort. You’re one year of focus away from people calling you lucky.
Sahil Bloomx.com
The Imperfectionist: How to get out of a rut
ckarchive.comShorten your to-do list by asking yourself,
"What is the worst that will happen if this does not get done?"
Eliminate all but the disasters.
—Kevin Kelly in Excellent Advice for Living
A knife cuts because it has a narrow focus.
—Cleddie Keith

Some things should stay as hobbies.

“This is the optionality mindset in action: the belief that the future belongs to the generalist, the jack-of-all-trades, the eternal dabbler. But it’s a lie. The future doesn’t belong to the generalist. It belongs to the obsessed.“