Everyone needs help from everyone.
Who fights may lose, but who does not fight has lost already.
As regards obstacles, the shortest distance between two points can be a curve.
One cannot be arraigned for declaring a war, which every ruler has to do once in a while, but only for running a war badly.
The aim of science is not to open the door to infinite wisdom, but to set a limit to infinite error.
There are many elements to a campaign. Leadership is number one. Everything else is number two.