Know for sure
The more I see, the less I know for sure.
~ John Lennon
see
Eyes to see with
Why should you believe your eyes? You were given eyes to see with, not to believe with. Your eyes can see the mirage, the hallucination as easily as the actual scenery. ~ Ward Moore
Life is like a prism
Life is like a prism. What you see depends on how you turn the glass. ~ Jonathan Kellerman
Invisible to the eye
And now here is my secret, a very simple secret: It is only with the heart that one can see rightly; what is essential is invisible to the eye. ~ Antoine de Saint-Exupéry