伟大的事情永远不会来自舒适区。
Great things never come from comfort zones.
Freedom is not merely the opportunity to do as one pleases; neither is it merely the opportunity to choose between set alternatives. Freedom is, first of all, the chance to formulate the available choices, to argue over them - and then, the opportunity to choose.
Science progresses by constantly questioning and refining our understanding.
我们必须为下一代留下健康的水域。