It began early in the revolution. It was a process that was unfolding on a daily basis. We expected the system to be dispensing justice, but every day that passed by, we recognized that the justice we expected and hoped for was not about to be achieved.
We did not treat the Americans badly. They left Iran in a relaxed mood. The embassy was active here after the revolution. We didn't have any problem with them. They started it.
There are varieties of theories of revolution. According to one of these theories, only one of these theories, revolutions occur when there is an explosion of rising expectation. And amongst the lower strata in Iranian society, we are witnessing an increasing rise of the expectation and it's clear that the regime is incapable of satisfying these demands.