The most profound truths are often the simplest.
最深刻的真理往往最简单。
Sustainable development requires balancing economic benefits with environmental protection.
乐观是一种工具，你可以用它来实现你为自己设定的目标。
Success is not final, failure is not fatal: it is the courage to continue that counts.
"Happiness is holding someone in your arms and knowing you hold the whole world."
正义不是终点，而是一段旅程。