Courage is the most important of all the virtues because without courage, you can't practice any other virtue consistently.
安全生产是煤炭行业的生命线,任何时候都不能放松。
Do what you can, with what you have, where you are.
The mystery of creativity is like the mystery of freedom.
心理学必须建立在直接经验和内省的基础上。