Every smell we perceive is a complex interaction between molecules and receptors, and understanding this interaction is key to understanding our sensory experiences.
幸福不是现成的东西，它来自于你自己的行动。
能源的未来在于平衡当今的需求与未来的责任。
人心比万物都诡诈，坏到极处，谁能识透呢？
"History is a nightmare from which I am trying to awake."