You cannot depend on your eyes when your imagination is out of focus.

Those things that nature denied to human sight, she revealed to the eyes of the soul.

The eye— which sees all objects reversed— retains the images for some time. This conclusion is proved by the results; because, the eye having gazed at light retains some impression of it. After looking (at it) there remain in the eye images of intense brightness, that make any less brilliant spot seem dark until the eye has lost the last trace of the impression of the stronger light.

Here forms, here colours, here the character of every part of the universe are concentrated to a point; and that point is so marvellous a thing ... Oh! marvellous, O stupendous Necessity— by thy laws thou dost compel every effect to be the direct result of its cause, by the shortest path. These are miracles... Of the eye.