God knows what kind of harm he can do us.
Most people seem to me to do a great deal of harm.
You did not think of possible harm he had done.
At present, the evidence of harm is simply not strong enough.
In the long run, it can also do us a lot of harm.
As to himself, it could do him no good, but a great deal of harm.
But people who live as I do can be a source of harm to others.
"Walk as you will, and with no fear of harm from me or my man here."
But the arms continue to be active and they can do a lot of harm.
"They might have done us a lot of harm if they'd kept coming."