Complex sentence: Păun set himself the goal of making poetry a living experience, experimenting briefly in his youth with licentious themes (which resulted in his prosecution for pornography) before discovering Marxism and proletkult aesthetics.
Split into simpler sentences: Păun set himself the goal of making poetry a living experience. He experimented briefly with licentious themes (and was thus prosecuted for pornography) before turning to Marxism and proletkult aesthetics.