The truth is a fragile thing, easily broken.

不了解儿子就看和儿子交往的朋友，就清楚了；不了解君主就看看君主身边的人，就明白了。

"The human mind is a set of information-processing machines that were designed by natural selection to solve adaptive problems faced by our hunter-gatherer ancestors."

The only way to change behavior is through manipulation of reinforcement contingencies.

If you want to fly, you have to give up what weighs you down.

Sustainability isn't a buzzword; it's the only way forward for mining.

As long as you have stayed in a swan's egg, it doesn't matter if you were born in a duck yard.

Reason obeys itself; and ignorance submits to whatever is dictated to it.