To inform, and, therefore to reconnoitre, this is the first and constant duty of the advanced guard. - Ferdinand Foch

I was convinced then—and my conviction has not since faltered—that the Treaty [of Versailles] then in the making, which I was not allowed to modify, was bad for the safety of France. Very bad. It was full of flaws, it was fundamentally wrong, and cannot fail one day to have the worst results. On the day when it is apparent in all its evil, when France perceives that her interests were improperly defended, she will rise in deep anger against those who so imperfectly handled that defence.

The most powerful weapon on earth is the human soul on fire.

Airplanes are interesting toys, but of no military value.