… the quartermaster… asked bluntly whether Grant was sure he was right. Grant’s reply was equaliy blunt.
“No, I am not,” he said, “but in war anything is better than indecision. We must decide. If I am wrong we shall soon find it out and can do the other thing. But not to decide wastes both time and money and may ruin everything.” p. 105
In short, the two men sensed that they could work together… here there was warmth and mutual respect. p. 129