In mathematics, you don't understand things. You just get used to them.
投资更清洁的煤炭技术是对能源未来的投资。
Nunca pierdas de vista quién eres y de dónde vienes.
The only disability in life is a bad attitude.
我不会成为那个必须说最后一句话的女孩。但我会成为那个必须笑到最后的女孩。
Being wise means having more questions than answers.