Korean Buddhist monks traveled to China or India in order to study Buddhism in the late Three Kingdoms Period, especially in the 6th century. In 526, the monk Gyeomik (謙益) from Baekje traveled via the southern sea route to India to learn Sanskrit and study the Vinaya. The monk Paya (波若; 562–613?) from Goguryeo is said to have studied under the Tiantai master Zhiyi. Other Korean monks of the period brought back numerous scriptures from abroad and conducted missionary activity throughout Korea.