To my mind, to kill in war is not a whit better than to commit ordinary murder.
So long as there are men, there will be wars.
Even a fool is wise after an event.
Knowledge of what is does not open the door directly to what should be.
The tyranny of the ignoramuses is insurmountable and assured for all time.
This has been done elegantly by Minkowski; but chalk is cheaper than grey matter, and we will do it as it comes.