The greatest gift you can give someone is your time and attention.
Leadership means making tough decisions today for a better tomorrow.
一个好的模型应该在复杂性和准确性之间取得平衡,捕捉基本动态而不过度拟合。
The only way to learn mathematics is to do mathematics.
下一波经济增长将由那些将地球置于利润之上的人推动。
"Reading is the foundation of all learning."
实际发展水平与潜在发展水平之间的距离,前者由独立解决问题决定,后者由在成人指导下或与更有能力的同伴合作解决问题决定。