আন্দাজ

Belief is useful , often abused and misused.
Knowledge is useful but often mixed up with beliefs. Although Knowledge is largely beneficial sometimes used as wepons of crime.
Some old persons last possession is wisdom , though himself or herself don't know, till brain damage cause a ruin. wisdom isn't of much value itself, almost always, we wish we have some, because when we see them in others it sparkle like a gem.
হে হেঁ বাবাঃ দেখেছ! কত্ত জানি।