The scholars says that it is the most hopeful verse in the Qur’an. Allah (SWT) acknowledges and addresses those who have excessed and tells them that, even if you have transgressed, do not despair His mercy. Just seek forgiveness with sincerity.
Let me be frank: in order to have a society where forgiveness and compassion and pluralism exist, there are basic ground rules that must be agreed upon before this can take place. The first being the rule of law and the second being respect for the democratic process.
However, they are two distinctly different activities. While forgiveness is prized across spiritual traditions—and in psychology as well—forgetting may not be wise.