儿童对活动的需要几乎比食物的需要更为强烈。
书籍是想象力的钥匙,而想象力是未来的钥匙。
The essence of science is not in the knowing but in the seeking.
勇气不是没有恐惧,而是战胜恐惧。
Only by integrating environmental protection into the entire production process can green development be truly achieved.