我总是尽量从错误中学习。
Education must, be not only a transmission of culture but also a provider of alternative views of the world and a strengthener of the will to explore.
The only limit to our realization of tomorrow will be our doubts of today.
你看到了，但你没有观察到。
The choice for mankind lies between freedom and happiness and for the great bulk of mankind, happiness is better.
幸福不是现成的，它来自于你自己的行动。
If humanity doesn’t land on Mars in my lifetime， I would be very disappointed.