The tank was originally invented to clear a way for the infantry in the teeth of machine-gun fire. Now it is the infantry who will have to clear a way for the tanks.
Don't be careless about yourselves--on the other hand not too careful. Live well but do not flaunt it. Laugh a little and teach your men to laugh--get good humor under fire--war is a game that's played with a smile. If you can't smile, grin. If you can't grin, keep out of the way till you can.
Nature has not intended mankind to work from eight in the morning until midnight without that refreshment of blessed oblivion which, even if it only lasts twenty minutes, is sufficient to renew all the vital forces.
Want of foresight, unwillingness to act when action would be simple and effective, lack of clear thinking, confusion of counsel until the emergency comes, until self-preservation strikes its jarring gong - these are the features which constitute the endless repetition of history.
History with its flickering lamp stumbles along the trail of the past, trying to reconstruct its scenes, to revive its echoes, and kindle with pale gleams the passion of former days. What is the worth of all this? The only guide to a man is his conscience; the only shield to his memory is the rectitude and sincerity of his actions. It is very imprudent to walk through life without this shield, because we are so often mocked by the failure of our hopes and the upsetting of our calculations; but with this shield, however the fates may play, we march always in the ranks of honor.