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Internal mental events are irrelevant to the scientific study of behavior.

"The truth is rarely simple, and it’s often more painful than the lies we tell ourselves."

Mental life is a continuous adjustment to internal and external demands.

【大意】一個國家如果沒有正義，即使再強大也定會滅亡。一個人如果沒有良善的志趣，即使勇猛也必會遭遇挫傷。

Innovation in natural gas extraction is key to meeting the world's growing energy demands while reducing environmental impact.