And yet it doesn't move

Eppur si muove.

This is the phrase that Galileo Galilei pronounced after being forced to recant his belief on heliocentric theory by the Inquisition Tribunal (and most probably after leaving the courtroom...).

In this case, we must say just the opposite.

Staring at the image, we get the impression that all the squares are moving side to side.

But, it's a fixed image!