Don't rule out working with your hands. It does not preclude using your head.
When you get older you have to be careful about always saying, "Things aren't as good as they used to be." But it's hard not to.
Walking is good for the soul.
Do I have opinions that might piss people off? Yes - that's what I'm here for.
The 50-50-90 rule: Anytime you have a 50-50 chance of getting something right, there's a 90% probability you'll get it wrong.
Being kind is more important than being right.