There are three key practices needed in order to build and maintain a circle of competence: curiosity and a desire to learn, monitoring, and feedback. - Shane Parrish

You don't need more time, you need more focus.

Fewer projects. Fewer commitments. Fewer obligations. Fewer responsibilities.

Carefully choose what you commit to, then go all in.

You only think you know, as a matter of fact. And most of your actions are based on incomplete knowledge and you really don’t know what it is all about, or what the purpose of the world is, or know a great deal of other things. It is possible to live and not know.

Techniques for establishing first principles If we never learn to take something apart, test our assumptions about it, and reconstruct it, we end up bound by what other people tell us — trapped in the way things have always been done. When the environment changes, we just continue as if things were the same, making costly mistakes along the way.