Best explanation for ''the eyes is the window of soul''?

« Eyes are the window to the soul .»This 16th century proverb is often quoted in literature and lifebecause it is true. As a matter of fact,It is the most sincere physical means of expression and the one who reveals the lie, the hypocrisy, the envy and the love, the desire, the sincerity, the sadness, the enjoyment. Therefore, eyes are the window to the truth. A glance can tell many things about me and my personality or even about my feelings, my mood. We can't lie or pretend to be someone that we are not.