172. Amīr al-mu’minīn, peace be upon him, said: People are enemies of what they do not know. [1]
[1] A man attaches great importance to the science and art which he knows and regards that science of no importance which he does not know, and belittles it. This is because whenever such a matter is discussed he is regarded not worthy of attention and is ignored, and thereby he feels slighted. This slight pains him, and a man naturally dislikes a thing that pains him and hates it. In this connection, Plato was asked, “What is the reason that he who does not know hates him who does know, but he who knows does not bear malice or hatred towards him who does not know?” Here plied, “He who does not know realizes that he suffers from a defect and thinks that he who knows must regard him low and humble on account of this defect, so he hates him. On the other hand he who knows does not have the idea that he who does not know should regard him low and so there Is no reason why he should hate him.”
