We don't want to learn from this. If everything seems to be going well, you have obviously overlooked something. The quickest way of ending a war is to lose it. To talk without thinking is to shoot without aiming. No problem is so big and complicated that it can't be run away from.
Age is a question of mind over matter.
If you don't mind, it don't matter. If you believe in telekinesis, raise my hands. If you want people to know where you stand, wear the same socks for two weeks. The shortest distance between two points is how far apart they are. When all is said and done, much more is said than done.