Complex sentence: Thomas Carlyle, Alexander Murray and he were early friends, and walked together from Galloway to Edinburgh each session during their college career; and a regular correspondence passed between Carlyle and Murray for some years afterwards.
Split into simpler sentences: Thomas Carlyle, Alexander Murray and he were early friends, and walked together from Galloway to Edinburgh each session during their university career. A regular correspondence passed between Carlyle and Murray for some years afterwards.