I don't sing because I'm happy; I'm happy because I sing.
我不是因为快乐而唱歌,我因为唱歌而快乐。
痛苦并不总能带来转变,有时它只是伤害。
Sustainability isn't a choice anymore—it's a responsibility we owe to future generations.
Art is not what you see, but what you make others see.
我们这个时代的挑战是在不伤害地球的情况下利用能源。
The power of mathematics lies in its generality and abstraction.