The most dangerous poison is the feeling of achievement. The antidote is to think every evening what can be done better tomorrow.
自由不是被给予的，而是被夺取的。
The best performance improvement is the transition from the nonworking state to the working state.
The boundaries between species are more porous than we think.
你越是试图忘记，就越是记得。
Sustainable development requires balancing economic benefits with environmental protection.