"You have to work hard to get to the top, but you have to work even harder to stay there."
你必须努力才能到达顶峰，但你必须更加努力才能留在那里。
布莱克-斯科尔斯模型的美妙之处在于它将期权定价问题简化为估计几个关键参数，尤其是波动率。
The most successful people in life are the ones who ask questions. They’re always learning. They’re always growing. They’re always pushing.
小规模养殖者是可持续水产养殖的支柱；他们的知识是不可替代的。
我们必须投资于下一代农民——他们掌握着粮食的未来。