Those who hurt others usually hurt themselves. It is the past-facing version of the Golden Rule, which is not just “do onto others as you would have done onto you” but also “you do onto others as has been done onto you”. Combined, they achieve a fuller story, the future and the past-facing remarks on the nature of actions towards each other.
33 then, feels to me to be the number of understanding and forgiveness. If we can understand the mind of the committers of these atrocious events, we can learn to adapt. And if we forgive, we can learn to prevent. This is what this year means to me, learning to prevent, in the names of the 33.