采矿的可持续性不是一种选择,而是我们的经营许可证。
The only way to learn a new programming language is by writing programs in it.
气候的变化不是一朝一夕的原因,而是逐渐积累的结果。
我们最终拥有的唯一工具就是我们的智慧。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.