如果技术不能解决实际问题,它就毫无意义。
Consciousness serves the organism's need to interact effectively with its world.
I am a bad feminist, but I am a feminist.
出自北齐·颜之推《颜氏家训·教子》引谚语。教育媳妇,要趁她刚嫁到婆家之时;教育孩子,应当赶在孩提时代,教育要掌握最适宜的时间才会有效果。