Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom.
恐惧是迷信的主要根源,也是残酷的主要根源之一。战胜恐惧是智慧的开端。
量子力学不仅仅是一个关于世界的理论,它是对世界最基本层面的描述。
In editing, less is often more.