释义:内心纷杂不净,难以领悟真理;意志不坚定,难以成就功业。
"Children's literature is the foundation for a lifetime of reading."
数学的目标不是解决问题,而是理解问题。
科技创新没有捷径,必须脚踏实地,久久为功。
Every challenge is an opportunity to grow stronger.