學而不思則罔,思而不學則殆 [ㄒㄩㄝˊ ㄦˊ ㄅㄨˋ ㄙ ㄗㄜˊ ㄨㄤˇ , ㄙ ㄦˊ ㄅㄨˋ ㄒㄩㄝˊ ㄗㄜˊ ㄉㄞˋ; xue2 er2 bu4 si1 ze2 wang3 , si1 er2 bu4 xue2 ze2 dai4] To learn without thinking is confusing, to think without learning is dangerous (Confucius) ◄ ►