Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.
I will always be grateful to my poor parents. I owe everything to them, my education, my life, and any success I have had.
The concept of infinity is both fascinating and perplexing.
记忆是最残酷的暴君,也是最仁慈的救主。
成功的关键不仅仅是努力工作,而是聪明地工作并适应变化。