过去是你记得的、想象你记得的、说服自己记得的或假装记得的。
The past is what you remember, imagine you remember, convince yourself you remember, or pretend you remember.
Sustainability isn't a trend—it's a responsibility we owe to future generations.
每一种化合物都必须有确定的组成，这可以用其元素的符号来表示。
团队的力量在于思想的多样性和目标的统一性。
史记
Once we accept our limits, we go beyond them.
The strength of liberal democracy lies in its ability to self-correct and reform.