They may start from the input information. But they get reinforced only from experience. For example if we need something (say a job, an admission or a cure for a illness) and someone directs us to a certain person or place, we keep a belief that it will be so. But if w reach the target and our need is not satisfied, then we lose faith in the person who directed us and in the target belief too. However if our need is satisfied b that, then our belief is also satisfied and it get reinforced.
This becomes all the more when our belief is on something that cannot be bought by money or the targets which are not easily felt or seen. We may believe them if our experience is good even when the information was not there. or even it was wrong. But if experience was not good or against belief, then we will shed that belief even if the information was right and scientific.
K Mohan @ Moga
'Idhuvum Kadandhu Pogum "
Even this challenging situation would ease
Other than that also we acquire these things from our experience and understanding of the things in a broader perspective.
Frankly speaking we should not have any faith or confidence in any belief until and unless it is practically confirmed and tested by us not only in one case but in many cases.
The interesting thing about beliefs is that when many people believe in it then others also start to follow it without confirming its strength and correctness. Rational people must avoid that situation.
Knowledge is power.
Sometimes the beliefs we have maybe proven wrong with our experience. When such things happen repeatedly we will change our beliefs also.
Whatever beliefs we have, we may be forced to do certain things against our beliefs and when the results of such actions are positive we start doubting our beliefs.