When Did Truth Become a Perception

When did truth become a perception,
And not an expectation.
When did it become questioned,
And deception an obligation.

People excuse themselves from misdeeds.
And then demand forgiveness,
To continue doing as they please.
While slandering and backstabbing,
Those who are honest and of integrity.

When did truth become a perception,
And not an expectation.
When did it become questioned,
And deception an obligation.