At age 37, he shifted away from examination style writings emphasizing on rhythm and rigid formality, and embarked on over a decade of intensive study of classical literature and philosophy from the pre-Qin era including the Confucius and Mencius texts.
Through self-teaching, Su Xun acquired a thorough understanding of classic scholarly discourses as well as historical events.
[2] During his learning years, he simultaneously coached and guided his two sons in their study of history, literature, and philosophy, who would later grow to significant literati in the Song Dynasty.
He presented twenty-two essays to Ouyang Xiu containing his recommendation and insights on political, economical and military reforms.
In 1058, Emperor Renzong of Song summoned him for an examination, but Su Xun excused himself due to poor health conditions.