过去是跟随我们的影子，但前方的光指引我们的脚步。
"The past is a shadow that follows us, but it is the light ahead that guides our steps."
科学进步是以一次次的葬礼为代价的。
做数学的艺术在于找到包含所有普遍性萌芽的特殊情况。
Sustainability is not just a trend, it's a responsibility.
解析：君子要求的是自己，小人要求的是别人。