(2) An inch of time is worth an inch of gold, and gold can't buy an inch of time.

(3) Lighting five chickens at night is the time for men to study. Black hair doesn't know how to study hard early, but white head regrets reading poetry late.

(4) the deceased is like a husband, and he will not give up day and night.

Don't come back in your prime, it will be very uncomfortable to wake up in the morning. Timely encouragement, time waits for no one.