No mistakes are never good for your life.

I have seen many people skim through
Their tertiary life with ease; never
Repeating a semester, never finding
Any difficulty at work. It's a good thing
I suppose... But failure at times is
Key to better achievements in life; 
At times leaping you forward, faster,
Than an ease through daily normal
Norms of living, making you wiser, and
In time, better than the achievers from
Your past.