You don't have to pee on an electric fence to learn not to do it - Charlie Munger

Instead, you must do your multidisciplinary thinking in accord with Ben Franklin’s prescription in Poor Richard:52 “If you want it done, go. If not, send.

You don’t have a lot of envy, you don’t have a lot of resentment. You don’t overspend your income, you stay cheerful in spite of your troubles, you deal with reliable people, and you do what you’re supposed to do. And all these simple rules work so well to make your life better. And they’re so trite.

The best armour of old age is a well spent life perfecting it.