Either obtain your programs from trustworthy sources, or ensure that the programs behave.
You should acquire your programs from legitimate sources.
If you get your programs from untrustworthy sources you do not have to monitor them.
Two boys are facing each other on a brick wall.
An outer layer is clearly necessary in these conditions.
A woman is taking a picture of a man.
It was quiet and the windows were secured.
A child's education is solely the school's responsibility.
Archaeologists found 7,000 structures on the island.