William H. Herndon, Jesse William Weik, Herndon's Lincoln: The True Story of a Great Life, Etiam in minimis major, The History and Personal Recollections of Abraham Lincoln by William H. Herndon, for twenty years his friend and Jesse William Weik

After April 14, 1841, when Lincoln retired from the partnership with Stuart, who had gone to Congress, he had been associated with Stephen T. Logan, a man who had, as he deserved, the reputation of being the best nisi prius lawyer in the State. Judge Logan was a very orderly but somewhat technical lawyer. He had some fondness for politics, and made one race for Congress, but he lacked the elements of a successful politician. He was defeated, and returned to the law. He was assiduous in study and tireless in search of legal principles. He was industrious and very thrifty, delighted to make and save money, and died a rich man. Lincoln had none of Logan's qualities. He was anything but studious, and had no money sense. He was five years younger, and yet his mind and makeup so impressed Logan that he was invited into the partnership with him. Logan's example had a good effect on Lincoln, and it stimulated him to unusual endeavors. For the first time he realized the effectiveness of order and method in work, but his old habits eventually overcame him. He permitted his partner to do all the studying in the preparation of cases, while he himself trusted to his general knowledge of the law and the inspiration of the surroundings to overcome the judge or the jury. Logan was scrupulously exact, and used extraordinary care in the preparation of papers. His words were well chosen, and his style of composition was stately and