Complex sentence: Four years and one intense conversion later, he graduated as valedictorian of his class of about twenty students, received his Masters of Arts from Yale two years later in 1722 and went on to become one of America's most renowned theologians and philosophers.
Split into simpler sentences: Four years and one intense conversion later, he graduated as valedictorian of his class of about twenty students. Edwards received his Masters of Arts from Yale two years later, in 1722, and eventually became one of America's most renowned theologians and philosophers.