Great things in business are never done by one person; they're done by a team of people.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
To be a moral human being is to pay, be obliged to pay, certain kinds of attention.
创作的行为是一种魔法的行为。
真正的教师是能够立即站在孩子立场上的人。
我不是传教士,也不是老师。我只是一个歌手。