《韩非子·显学》
不用事实加以检验就对事物作出判断，那就是愚蠢；不能正确判断就引为根据，那就是欺骗。
无参验而必之者，愚也；弗能必而据之者，诬也。
To judge things without using factual investigation for verification is stupidity; not to judge correctly but then to take it as a basis is deceit.