• You cannot have your cake and eat it. 有得就有失。事难两全其美。
• Youth’s a stuff will not endure. 青春易逝。
• You are never too old to learn. 活到老学到老。
• You never know till you have tired.事非经过不知难。
• Zeal without knowledge is fire without light. 热情而无知,犹如无光之火
• Zeal without kowledge is the sister of folly. 无知的热情近乎愚蠢