金无足赤

Explanation: Pure: Condition full of gold. Nor can the perfect metaphor 　　Usage: The main predicate; as the predicate attribute; with compliment 　　Source: Song Dai "Send Hing": "Gold no Zuse, white jade with micro-flaws. Ask for help not for equipment, I should wish Laojun home." 　　Examples: ~, No one is perfect. 　　Riddle: No money to buy shoes to wear Thesaurus:  flaw in jade, Gold can't be pure and man can't be perfect., have defects as well as merits, Yu do not cover flaws, Yuburongxia