2. Science should be not only whimsical, but also down-to-earth.

Be a down-to-earth person, don't aim too high.

We should work in a down-to-earth way, and don't always be whimsical.

6. Learning should be down-to-earth, step by step, and don't aim too high.

7. For entrepreneurs, a vigorous career should be done in a down-to-earth manner.

8. In learning, we should be down-to-earth step by step.

9. I want to study hard, study hard and finish my studies step by step.

10, there is no way to go in Shushan, and there is no end to learning.

1 1, the blade comes from sharpening, and the plum blossom fragrance comes from bitter cold.

12. From then on, I stopped looking up at the blue sky and looked down at the white waves. I will only be careful of my steps. I will step on the dirt and leave deep footprints! -Zhu Ziqing

13. Have lofty ideals and comprehensive plans on the narrow basis of current reality; Only by taking action step by step, thinking about the broad future and making steady progress can we make a difference. -Xu Teli

14, don't climb the mountain, I don't know the height of the sky; Don't face the deep stream, I don't know the thickness of the ground. -("Xunzi")