Answer: No one is a generator of thoughts. Good and evil thoughts come only from above.
We are merely small consumers at the end of the chain, but our reaction to them depends on how we reflect the evil or the good signals that we receive. This is our mission.
Question: Can thoughts intersect, reinforce, or interrupt each other?
Answer: Yes if they are not for the sake of unity. But if they are thoughts for unity, they are swallowed in the center of the group and the group grows.
From KabTV’s “Fundamentals of Kabbalah” 2/3/19