无论我们承认与否，过去始终存在。

The true discovery of America is before us. The true fulfillment of our spirit, of our people, of our mighty and immortal land, is yet to come.

I don't sing because I'm happy; I'm happy because I sing.

Green development is not a multiple-choice question, but a must-answer question. We must unswervingly follow the path of green and low-carbon development.

人们总是倾向于高估一天能达成的事情，而低估十年能取得的成就。奇迹常常可以在十年的尺度上发生。长期主义能够实现的小进展的持续积累的复利，足以超越哪怕巨大的失误。

"Experience is simply the name we give our mistakes."

有时候你必须穿过黑暗才能到达光明。