Diplomacy is a fine wine to be savored, not a road to be bulldozed.
Acts of violence always create more problems than they solve.
Any political system that relies on human altruism is doomed to failure. Any political system that serves our natural greed will speed our own deaths.
Strong decisions are bred from selective ignorance.
Religions are tools for coping with reality. So is alcohol. I like religions, but I prefer alcohol.
The human species will eventually die out. Period.
Most likely, we will die in our own shit. We won't be the first to do so, but we will be the first that could have known better. Another species may evolve from us and possibly repeat the cycle. I have no problem with that.