没有阴影就没有阳光,了解夜晚是必要的。
"There is no sun without shadow, and it is essential to know the night."
And don’t you leave, cause I know all I need is on the other side of the door.
Mathematics is a universal language that transcends cultural and linguistic barriers.
每一天都是变得更好的机会。不要浪费它。
对抗压力的最大武器是我们选择一种思想而不是另一种思想的能力。