There are no limits to what one can learn; knowledge is infinite; often used to encourage lifelong study; ars longa, vita brevis

sailing on the sea of learning; a metaphor for pursuing knowledge and academic studies

(idiom) a river of literacy and a sea of learning; used to describe the immense scope and richness of a person's knowledge or of scholarly works

Title of the first major series of books collected into a single anthology, compiled by Zuo Gui during the Song Dynasty; the title is derived from a quote by Yang Xiong meaning all rivers learn from the sea to reach its greatness.

(idiom) learning that is as high as a mountain and as deep as a sea; having profound and extensive scholarship; also used to mean art is long, life is short