“The army is not properly equipped for an invasion of an enemy's territory. It lacks much of the material of war, is feeble in transportation, the animals being much reduced, and the men are poorly provided with clothes, and in thousands of instances are destitute of shoes. Still we cannot afford to be idle, and though weaker than our opponents in men and military equipments, must endeavor to harass, if we cannot destroy them. I am aware that the movement is attended with much risk, yet I do not consider success impossible, and shall endeavor to guard it from loss.”...