2. It is often more important to ask a question than to solve it.

3, sometimes, there are early, middle and late points; Day means today, yesterday and tomorrow; Physiologically, there is a period of youth, strength and love.

You can't be versatile if you don't study, and you can't learn if you don't want to study.

The footprints in the desert soon disappeared. The struggle song has been stirring in the hearts of hikers for a long time.

6, enterprising and sweaty martyrs belong to the song of struggle and hope.

7. Honesty is the most touching.

8. Knowing is knowing, not knowing is not knowing, just knowing.

9. My life is limited, but so is my knowledge.

10, intelligence comes from diligence, and genius lies in accumulation.