《管子·君臣上》
关于人民的意见，只个别地听取，就会是愚蠢的；全面综合地听取，就将是圣明的。
夫民别而听之则愚，合而听之则圣。
As for the opinions of the people, only listening to individual opinions would be foolish; listening to them comprehensively and completely would be wise.