To understand the mind, study its operations in real life.
要理解心灵，就要研究它在现实生活中的运作。
"A good story should make you laugh and cry in equal measure."
文学毫无用处，正因如此它不可或缺。
牛、猪、战争和巫术并非任意的文化偏好，而是对物质条件的适应。