I don’t think you should ever feel like you’ve achieved everything. You always have to keep pushing.
In farming, as in life, the smallest details often make the biggest difference.《The Fruitful Future》
商场如战场,防人之心不可无。  
When people are faced with a problem, they often think in terms of past experiences rather than looking at the actual structure of the problem.
最大的爱国主义是当你的国家行为不光彩、愚蠢、恶毒时告诉它。