1. Perception
Do we really see things as they
are?
Should we
really trust
the
testimony of
the senses?
I thought
seeing was
believing
Do you
believe your
eyes WONT
let you
down?

2. How many shades of pink are used
to make the cross?

3. Count the black balls …

4. Straight line or curved?

5. How many faces?

6. Do you see a face or ‘Liar’?

7. Eskimo or native American?

8. Which do you see?

9. How many prongs does it have?

10. Rectangles, triangles or both?

11. Now, try this …

12. Do you still think they are reliable?