To do great things is difficult，but to command great things is more difficult.
做伟大的事情很困难，但指挥伟大的事情更困难。
If we take care of the ocean, the ocean will take care of us.
The elements of consciousness are to be studied in isolation.
The best policies are those that last longer than a political term.
The mystery of the beginning of all things is insoluble by us; and I for one must be content to remain an agnostic.
可持续发展不是选择题，而是责任。
我相信，通过我的电报将全世界艺术爱好者团结起来的日子不会太远。