Amazing world experienced through placebos. Amazing how expensive also results in better effect on our systems.

Bottom line is that we realize what decision we are making only after a few seconds after our brain tells us what to do. Amazing

Empirical truth about memory is that it is not a reliable source of information no matter how confident one feels on how things occur. Check out your own memory and see how it fares. Note that many a historical/religious documents were written based on memory,  it is prudent to take ancient literature with a skeptical mind.

Human perception can be very deceptive. Its important to re-examine claims by people that do not make sense. This principle is used many magicians, bogus healers, miracle claimers or paranormal practitioners. Empirical truth is only derived when many people can arrive at the same conclusion after repeated experience.

Creationism claims that something like our eye cannot evolve out of natural iteration of biological beings. While without much research it is tempting to give in to their argument, upon closer study of the evidence around us, its easy to see that the eye has evolved over time from simple photo sensitive cells to complex organs that help us see the world around us.