Airplanes are interesting toys but of no military value. - Ferdinand Foch

Far from being a sum of distinct and partial results, victory is the consequence of efforts, some of which are victorious while others appear to be fruitless, which nevertheless all aim at a common goal, all drive at a common result: namely, at a decision, a conclusion which alone can provide victory.

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.

What you did was the greatest thing accomplished by any private soldier of all of the armies of Europe.