The Cambridge Dictionary defines belief as the feeling of being certain that something exists or is true.
If one can question the existence of God, then each and every religion, sect and cult and religious belief out there can be debated or debunked.
Can all beliefs be classified as right or wrong? or does it depend upon perspective?
For e.g. Are the following random statements actually beliefs or perspectives?
I believe in God
I believe that God does not exist.
I no longer believe in the truthfulness of politics because of the high rate of corruption in my country
I don't believe in the arrangement of marriage.