The essence of mathematics lies in its freedom.
数学的本质在于它的自由。
Architecture is the slowest of the arts.
国家不是被废除的,它是自行消亡的。
海洋是生命的摇篮,也是人类未来的希望,我们要像对待母亲一样呵护她。
The only way to change the world is to change the way we think.
Every mental act has its place in the economy of life.
向更清洁能源的过渡是不可避免的,我们必须站在这一变革的最前沿。