Faith is the great cop-out, the great excuse to evade the need to think and evaluate evidence.

The proof of a system's value is its existence.

可持续性不是一种趋势——而是我们对后代的责任。

对待妻室子女和仆人，应说话谨慎稳重，日常饮食起居生活中，要随时检点言行。