Practical Wisdom

50-50-90 Rule

If you have a fifty-fifty chance of getting something right, there’s a ninety percent probability you’ll get it wrong.

— Andy Rooney

Your primary job is time allocation.

No amount of sophistication is going to allay the fact that all your knowledge is about the past and all your decisions are about the future.

— Ian Wilson

The Ancient Greeks had two different words for time:

Chronos was the idea of chronological, linear, quantitative time. That all time is equal.

Kairos was a bit different. That there are certain moments or windows that have more meaning. More texture. More importance. More weight.

We’ve all experienced Kairos time. There are certain moments in life

As a man ages there comes a soft whisper in his ear: “No no there won’t be time enough for that anymore.”

— C S Lewis

The past is a teacher, not a judge. Your next move matters more than your last mistake.

— Shane Parrish, Farnham Street

Problems scream for attention while successes only whisper. We're wired to chase whatever's loudest.

— Farnham Street

The question isn't who's going to let me; it's who's going to stop me.

— Ayn Rand

The most certain sign of wisdom is cheerfulness.

— Michel de Montaigne | Essays (1580)