我知道自我推销很常见，这并不坏。但我不认为这是积极的。
I know that self-promotion happens a lot and it is not a bad thing. But I do not regard it as something positive.
实现明天理想的唯一障碍是今天的疑虑。
Every ton of coal we extract must create maximum value with minimum environmental impact.
预测未来的最好方法就是创造未来。
生活中唯一真正的失败是不忠于自己所知道的最好的东西。