学海无涯

學海無涯
xuéhǎiwúyá
  1. sea of learning, no horizon (idiom); no limits to what one still has to learn
  2. ars longa, vita brevis

CEDICT

Entry Composition

1 学海 xuéhǎi
  1. sea of learning
  2. erudite
  3. knowledgeable person
  4. scholarship
2 无 wú
  1. not to have
  2. no
  3. none
  4. not
  5. to lack
  6. un-
  7. -less
3 涯 yá
  1. border
  2. horizon
  3. shore