Walls define space, but openings connect it to the world.
墙壁定义了空间,但开口将其与世界连接。
Quality is not a label; it is a standard.
最重要的是对自己诚实,对所做之事诚实。
"Silence is the language of those who have seen too much."
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
物理定律必须以独立于坐标系选择的方式表述。
人类与牲畜之间的联系是历史上最古老、最重要的伙伴关系之一。