自身唔正，教人唔声。
广东话谚语
The only real mistake is the one from which we learn nothing.
I just want to make people happy.
出自《论语·先进篇第十一》。子路问孔子说：“我大胆的请教您，死是怎么回事呢？”孔子回答说：“还不知道生是怎么一回事，怎么能够知道死亡呢？”
我们所知道的很少，而我们不知道的却是无限的。
The leather industry must evolve to meet both environmental standards and consumer expectations without compromising quality.