The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
拓扑绝缘体的美在于它们的鲁棒性;它们的表面态受到保护,不受无序和缺陷的影响。
成功不是终点,失败不是致命的:重要的是继续前进的勇气。