突然
                
        
    
The world is so unpredictable. Things happen suddenly, unexpectedly. We want to feel we are in control of our own existence.
                    Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible.
                    That is what learning is. You suddenly understand something you've understood all your life, but in a new way.
                    That is what learning is. You suddenly understand something you've understood all your life, but in a new way.
                    That is what learning is. You suddenly understand something you've understood all your life, but in a new way.