Fools are the ones who cannot change their minds.

出自先秦《荀子·强国》。一个人知道爱惜生命、安于快乐而抛弃礼义，那就好比想长寿而自刎其颈一样。此以比喻来说明坚守礼仪对于“贵生乐安”的重要性，强调治国安邦不可缺失礼义的意义。

It is not unlikely, but that there may be yet invented several other helps for the eye, as much exceeding those already found, as those do the bare eye.

良心是上帝在人间的存在。

理性之光不同于自然之光。

采矿业的未来在于技术和可持续实践。

"War doesn’t end when the fighting stops; its echoes linger for generations."