宇宙充满了奥秘,这正是让科学家保持动力的原因。
Leadership is not about being in charge. It's about taking care of those in your charge.
预测未来的最好方式就是创造未来。
The task of the teacher is to lead the student from the known to the unknown.
The best way to cheer yourself up is to try to cheer somebody else up.