Thoughts came from A New University Baby.

1. No Official Solution
In real world, there is no absolutely solution for one specific problem, you have to find out the solution right for you, which makes you getting the most benefit.


2. How you learning
Sometimes we feel upset is just because of things may not happen as we thought before.
That's OK. Due to that, you'll learned how to improve yourself with better prediction and consideration.
This kind of training makes man intelligent, it's also the inner theory of Deep Learning.