If you have certain problems with your brain but are raised in a good home, you might turn out okay. If your brain is fine and your home is terrible, you might still turn out fine. But if you have mild brain damage and end up with a bad home life, you're tossing the dice for a very unlucky synergy.

When the brain activity is kindled in the right spot, people hear voices. If a physician prescribes an anti-epileptic medication, the seizures go away and the voices disappear. Our reality depends on what our biology is up to.

Nothing is inherently tasty or repulsive - it depends on your needs. Deliciousness is simply an index of usefulness.

One of the most pervasive mistakes is to believe that our visual system gives a faithful representation of what is "out there" in the same way that a movie camera would.

It is the most wondrous thing we have discovered in the universe, and it is us.

The more familiar the world becomes, the less information your brain writes down, and the more quickly time seems to pass.

You´re not perceiving what's out there. You're perceiving whatever your brain tells you.