I always wanted to be a singer, and I focused on that goal, even when others told me I couldn't do it.

实验的语言比任何推理都更具权威性：事实可以摧毁我们的推理，但反之则不然。

技术不仅仅是一种工具。它可以赋予学习者以前可能没有的声音。

Be scrupulously truthful, even when truth is inconvenient, for it is more inconvenient when you try to conceal it.

The coal sector must adapt to global energy transitions while maintaining efficiency.

你必须活在当下。

真正的进步发生在我们平衡经济增长与环境管理之时。