“The more we value things outside our control, the less control we have.” ― Epictetus

“People think they can’t change themselves, but they can. People think they can change others, but they can’t.” — Naval Ravikant

“If we are all going to be destroyed by an atomic bomb, let that bomb when it comes find us doing sensible and human things-praying, working, teaching, reading, listening to music, bathing the children, playing tennis, chatting to our friends over a pint and a game of darts—not huddled together like frightened sheep and thinking about bombs. They may break our bodies (a microbe can do that) but they need not dominate our minds.” — C.S. Lewis ¹

“Incredible change happens in your life when you decide to take control of what you do have power over instead of craving control over what you don’t.” — Steve Maraboli

課題分離

The Dichotomy of Control

1. Things we can control
2. Things we cannot control

The Trichotomy of Control

1. Things you have complete control over
2. Things you have partial control over
3. Things you have no control over

Asking “what-if?” about your past is a waste of time; asking “what-if?” about your future is tremendously productive.