人生的真正意义在于种树，虽然你并不期待坐在树荫下。
The true meaning of life is to plant trees, under whose shade you do not expect to sit.
Sustainability isn't a trend; it's a responsibility we owe to future generations.
最终，我们会记住的不是我们的敌人的话语，而是我们朋友的沉默。
如果他们能让你问错问题，他们就不必担心答案了。
The past is always tense, the future perfect.