The individual is not accountable to society for his actions in so far as these concern the interests of no person but himself.

最有效的调试工具仍然是仔细的思考，再加上明智放置的打印语句。

I think the most important thing is to be true to yourself and to be honest with yourself.

成功的投资需要坚定的信念和决策能力。

可持续能源解决方案将定义21世纪。