数学不是一项观赏性运动。你必须亲自去做才能理解它。
Mathematics is not a spectator sport. You have to do it to understand it.
The best art comes from the struggle between control and chaos.
La vida es como una canción, tiene sus altos y bajos, pero siempre hay belleza en ella.
Let us dream of tomorrow where we can truly love from the soul, and know love as the ultimate truth at the heart of all creation.
我们要加强国际合作，共同应对能源安全和气候变化的挑战。
Leadership is action, not position.
最艰难的决定往往带来最大的回报。