His first book of poetry, with an introduction by eminent poet Mehdi Hamidi Shirazi, was published when he was 19 years old. During Iran's open period following World War II, Sayeh got involved in various literary circles and contributed to various literary magazines such as Sokhan, Kavian, Sadaf, Maslehat, and others. Unlike many other literary figures of the time who got deeply involved in politics and left-leaning activities, Sayeh stayed true to his social and political consciousness but refrained from deeper involvement.