所谓爱国心，是指因你生为这个国家的国民，相信这个国家比其他一切的国家高贵优越。

The walls of a garden should be high enough to keep the world out, but low enough to let the sky in.

The task of philosophy is not to resolve contradictions but to make them visible.

要信守承诺。

Leadership in the energy sector means making tough decisions today for a better tomorrow.

语言是我们改变世界的最强大工具。