我们所谓的不干预孩子的学习尊重孩子的行动、必须在孩子本质上的发展于成熟之后才得以实行。
理解布莱克-斯科尔斯模型的关键在于认识到它是基于对冲以消除风险的理念。
The greatest tool we have is the power of our minds.
用程序证明四色定理不会改变数学——它只是证明了这个挑战了一个世纪的定理是一个有限的问题。
Every artist dips his brush in his own soul, and paints his own nature into his pictures.
The only way to do great work is to love what you do.