Reality doesn’t care anything about your beliefs.

The second theme is that to appreciate the physical universe properly one must be “born again.”

Wilczek, Frank. Fundamentals (p. xv). Penguin Publishing Group. Kindle Edition. 

Quantum mechanics reveals that you cannot observe something without changing it, after all. Each person receives unique messages from the external world.

Wilczek, Frank. Fundamentals (p. xvii). Penguin Publishing Group. Kindle Edition. 

Psychophysics reveals that consciousness does not direct most actions, but instead processes reports of them, from unconscious units that do the work.

Wilczek, Frank. Fundamentals (p. xvii). Penguin Publishing Group. Kindle Edition. 

Since we were babies we perceive and manipulate our immediate world. The results of this manipulation comes to be what we think we know. But as we get older we begin to realize that sometimes what we think we know isn’t so. The bumper sticker says, “Reality doesn’t care anything about your beliefs.”