Early's original inspiration for his views may have come from General Robert E. Lee. When Lee published his farewell order to the Army of Northern Virginia, he consoled his soldiers by speaking of the "overwhelming resources and numbers" that the Confederate army had fought against. In a letter to Early, Lee requested information about enemy strengths from May 1864 to April 1865, the period in which his army was engaged against Lieutenant General Ulysses S. Grant (the Overland Campaign and the Siege of Petersburg). Lee wrote: "My only object is to transmit, if possible, the truth to posterity, and do justice to our brave Soldiers." In another letter, Lee wanted all "statistics as regards numbers, destruction of private property by the Federal troops, &c." because he intended to demonstrate the discrepancy in strength between the two armies and believed it would "be difficult to get the world to understand the odds against which we fought". Referring to newspaper accounts that accused him of culpability in the loss, he wrote, "I have not thought proper to notice, or even to correct misrepresentations of my words & acts. We shall have to be patient, & suffer for awhile at least... At present the public mind is not prepared to receive the truth." All of the themes were made prominent by Early and the Lost Cause writers in the 19th century and continued to play an important role throughout the 20th.