If you compliment someone behind their back, the listener respects your loyalty. If you gossip about someone behind their back, the listener starts w… - George Mack

If you put the 110 billion humans ever to live in one giant room -- alive or age at death -- 40% would be under the age of 5. And 50% would be under the age of 15. Forget waiting for an age like 30 or 40 to do things. You're already elderly.

Underappreciated advice: Get friends who are significantly older than you. There's no mimetic competition. Just decades of wisdom they love to share. This was normal for most of your ancestors.

Useful rule of thumb for solving problems: Assume the problem is a side problem. The main problem is how you're viewing the problem. If you solve the main problem, the solution for the side problem often reveals itself.