身份是脆弱的东西，容易丢失，难以重获。
Identity is a fragile thing, easily lost and hard to regain.
The olfactory system is a remarkable example of how the brain can decode complex information from the environment.
我不需要理由去快乐。
"Memory is the only paradise from which we cannot be expelled."
当我接受自己本来的样子时，我就能改变。
革命者的首要职责是受教育。
蒸汽机中运动的产生总是伴随着一个我们应关注的情况，即热量的平衡重建。