大多数人的问题在于他们用希望、恐惧或愿望思考，而不是用头脑。
The trouble with most people is that they think with their hopes or fears or wishes rather than with their minds.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
Leadership in the 21st century requires both vision and adaptability; the companies that thrive will be those that anticipate change rather than resist it.
Never stop learning—the moment you do, you start falling behind.
自信是关键，但你必须用实力来支撑它。
写作的行为是一种勇气的行为。