The sea of learning is so vast that no one can claim to know everything.
Tips
culture
Best known from the study couplet 书山有路勤为径，学海无涯苦作舟: 'the mountain of books has a path, and diligence is the way; the sea of learning has no shore, and hard work is the boat'. Students also say 学海泛舟, 'to sail the sea of learning'.
