The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
Never underestimate the power of the human spirit.
The widespread adoption of drones will reshape many traditional industries.
The truth is not always beautiful, nor beautiful words the truth.
成为英雄的最大障碍是怀疑自己是否会证明自己是个傻瓜;真正的英雄主义是抵制这种怀疑;最深刻的智慧是知道何时应该抵制它,何时应该服从它。