Correlation does not equal Causality


Every few days there is yet another study linking a behavior to a negative health outcome. I just came across this article linking a Father’s age to Autism and Schizophrenia. As long as the scientific community continues to equate correlation to causality, they will continuously produce similar reports. Finding a high correlation between two variables does not mean one causes the other! Why hasn’t the scientific community realized this yet?? They acknowledge it in their language, but have yet to internalize it in their conclusions.

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Describing Sight to the Blind


A blind man once asked a friend to describe sight to him. Endowed with the four remaining senses, he asked for a parallel by which he could understand what sight is like.

“Please explain it to me, is sight like touching? Is it soft or hard, rough or smooth? Please explain,” the blind man asked.

Not sure what to say, the friend responded, “No, its something else. Its not at all feeling something”

“Then does it smell or taste sweet”, the blind man asked, “Or bitter? Maybe its bland?”

“No, you cannot describe it like that either. Its something completely unique”

Growing frustrated, the blind man asked, “Then what does it sound like? Is it deep or hitched? Is it loud or quiet?”

Sending the frustration, the friend did not know how else to reply. “It has no sound. Its something completely different.”

“So, this ‘vision’ you speak of has no sound, texture, smell or taste. Its comparable to none of the known senses. How do I know you are not just making it up? I have no reason to believe that it is real, and every reason to believe that you are delusional with this so-called ‘vision’.”

This is the state of the atheist. He does not experience what the believers experience. But rather than humble himself to accept the possibility that there is a reality in the perceptions of the believers, he arrogantly denies their experiences as mere delusion. I feel the following verses of the Qur’an are most apt.

  1. Indeed, those who disbelieve – it is all the same for them whether you warn them or do not warn them – they will not believe.
  2. Allah has set a seal upon their hearts and upon their hearing, and over their vision is a veil. And for them is a great punishment.
  3. And of the people are some who say, “We believe in Allah and the Last Day,” but they are not believers.
  4. They [think to] deceive Allah and those who believe, but they deceive not except themselves and perceive [it] not.
  5. In their hearts is disease, so Allah has increased their disease; and for them is a painful punishment because they [habitually] used to lie.
  6. And when it is said to them, “Do not cause corruption on the earth,” they say, “We are but reformers.”
  7. Unquestionably, it is they who are the corrupters, but they perceive [it] not.
  8. And when it is said to them, “Believe as the people have believed,” they say, “Should we believe as the foolish have believed?” Unquestionably, it is they who are the foolish, but they know [it] not.
  9. And when they meet those who believe, they say, “We believe”; but when they are alone with their evil ones, they say, “Indeed, we are with you; we were only mockers.”
  10. [But] Allah mocks them and prolongs them in their transgression [while] they wander blindly.
  11. Those are the ones who have purchased error [in exchange] for guidance, so their transaction has brought no profit, nor were they guided.
  12. Their example is that of one who kindled a fire, but when it illuminated what was around him, Allah took away their light and left them in darkness [so] they could not see.
  13. Deaf, dumb and blind – so they will not return [to the right path].

– Qur’an, Chapter 2, Verses 6-18

Your thoughts?