树是希望的象征，扎根于当下，伸向未来。
A tree is a symbol of hope—rooted in the present, reaching for the future.
研究学习的唯一有意义的方法是通过客观测量。
"We look at the world once, in childhood. The rest is memory."
元素周期表是人类好奇心和创造力的证明。
Trade between two countries can be mutually beneficial, even if one of them is less efficient in the production of all commodities.
勇气是在压力之下展现出的优雅。
El tiempo es el único juez verdadero de la literatura.
