保持渴望，保持年轻。
You will never be able to escape from your heart. So it's better to listen to what it has to say. That way, you'll never have to fear an unanticipated blow.
释义：善于把握事物本质的人，不会违背金属和水的本性；善于制作器物的人，不会改变物体的形状和用途。
The best way to predict the future is to create it.