做人必须留一手 (Pull a Punch)

这个世界远非你想象的那么简单，做人做事，不妨让自己多一个心眼，只要协手中留有一手可以制胜的绝招，任何时候，你都能处变不惊，因为你可以静观时变，而后全力出击，力挽狂澜。This world is far more complex than you might think. You should keep a watchful eye either in life or work. With an ace up your sleeve as a trump card can always reassure and calm you down at any time as you may wait and see, and later turn the tide with full strides.