Certainly the prolonged education indispensable to the progress of society is not natural to mankind.

Never give up on something that you can't go a day without thinking about.

Air power can either paralyze the enemy's military action or compel him to devote to the defense of his bases and communications a share of his straitened resources far greater that what we need in the attack.

Golf. Trying to knock a tiny ball into an even smaller hole with implements ill suited to the purpose.

When you're going through hell - just keep on going!

Plans are of little importance, but planning is essential.

What is the use of living, if it be not to strive for noble causes and to make this muddled world a better place for those who will live in it after we are gone? How else can we put ourselves in harmonious relation with the great verities and consolations of the infinite and the eternal? And I avow my faith that we are marching towards better days. Humanity will not be cast down. We are going on swinging bravely forward along the grand high road and already behind the distant mountains is the promise of the sun.