不一定要比别人强，但要比过去的自己强。
It's not always necessary to be better than everyone else, but to be better than you used to be.
"History is the present projected backwards."
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
能源贫困是我们这个时代最大的挑战之一。获得负担得起的能源应该是一项权利，而不是特权。
网络的力量在于它的普遍性。无论是否有残疾，每个人都能访问是一个重要方面。
Leaders must be willing to take risks if they want to create meaningful change.