● At 40 years, "highly educated" and "less educated" are the same. (Less educated people may even earn more money) ● At 50 years, "beauty" and "ugly" are the same. (No matter how pretty you are, at this age, wrinkles, dark spots, etc. can no more be hidden.) ● At 60 years, "high position" and "low position" are the same. (After retirement, even a peon will avoid looking at his boss) ● At 70 years, "big house" and "small house" are the same. (Joints degeneration, hard to move, only require a little space to sit .) ● At 80 years, "have money" and "no money" are the same. (Even when you want to spend money, you don't know where to spend) ●At 90 years, "Sleeping" and "waking up" are the same. (After you wake up, you still don't know what to do) Take life easy, there are no mysteries to be solved.