2. If the young don't work hard, the old ones will be sad.

3. We only live once in the world, so we should cherish our time. We must live a real life and a valuable life. —— Pavlov

4. An inch of time is worth an inch of money, but an inch of money can't buy an inch of time.

5, years is too long, so seize the day .. We should improve the present wisely. We should throw ourselves into the confusing future with a firm will that we are not worried or afraid.

—— Longfellow

8. Don't sigh for the years that have gone by, but we must face up to the time that has slipped away in a hurry. ——— Brecht

9. When many people are hesitating on a road, they have to make way for a big road and let those who cherish the time get ahead of them.