Life is short

If you ask yourself what you spend your time on that’s bullshit, you probably already know the answer. Unnecessary meetings, pointless disputes, bureaucracy, posturing, dealing with other people’s mistakes, traffic jams, addictive but unrewarding pastimes.
If you’re a freelancer or a small company, you can fire or avoid toxic customers.
Things we like tend to become more addictive. Which means we will increasingly have to make a conscious effort to avoid addictions.
In middle school and high school, what the other kids think of you seems the most important thing in the world. But when you ask adults what they got wrong at that age, nearly all say they cared too much what other kids thought of them.
Ask yourself whether you’ll care about it in the future.
You take things for granted, and then they’re gone. You think you can always write that book, or climb that mountain, or whatever, and then you realize the window has closed. The saddest windows close when other people die.
Cultivate a habit of impatience about the things you most want to do.
Relentlessly prune bullshit, don’t wait to do things that matter, and savor the time you have. That’s what you do when life is short.