Chie no umi ("Oceans of Wisdom", also known as "A Thousand Views of the Sea and Waterside") is a chuban yoko-e (19 x 25.4 cm.) sized woodblock print series by the Japanese artist Hokusai. Subjects of the prints include fishing, oceans and whaling. The series is one of Hokusai's rarest sets. It seems to have been issued in the mid-1830s and, like the Hyakunin Isshu ("One Hundred Poems Explained by the Nurse") series of the same date, publication of the prints ceased abruptly. Ten prints comprise the complete set, although a number of preparatory drawings are extant for prints that were never made.