"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."

自己吃饱了应当想到别人的饥饿，身上穿暖了应当想到别人的寒冷，享受安逸应当想到百姓的劳累。

"Capitalist realism insists on treating mental health as if it were a natural fact, like weather (and, incidentally, it is no coincidence that the mental health of so many deteriorates during the winter months)."

The fight against viruses is a continuous battle, and science must always stay ahead.