idiom > Grace is like the Sea
Contents
Well like the deep sea
  Explanation: End brotherhood is very deep
  Usage: As the predicate attribute; that deep kindness
  Source: Ming Feng Meng "Jingshitongyan" Volume 32: "eachother, all without his blog. Really a grace bottomless deep as the sea, meaning a higher meaning heavy as a mountain."
Thesaurus
favor Flawless taste deep, En deep admire