To steal is to wrongfully and selfishly take something that belongs to someone else and place it amongst one’s own possessions.
There are many things in this life that are not sinful in and of themselves, but when they are misused they can be deemed as sinful or harmful.
The world is driven by self-preservation and self-promotion. Individually, the natural man is guided by self-serving motives. This should not be true of saints.
