If you don't believe you can or if you believe you can't, you're right.
Avoid mental blocks by believing you can do better.
Simple imagination exercise involving a lateral hand stretch:
Neural elasticity comes from a healthy body. An active lifestyle pays off.
A nice similitude between working out:
A common roadblock for learning is not adopting a beginner's mindset. If you think you already know something well enough you're less likely to pick up new information about the subject fast.
Your mind is like a parachute. It only works when it's open.
Forget what you already know about the subject.
Forget about anything that's not urgent and important. You can't multitask. If your brain is thinking about 4 different things, you're not fully present – so you won't learn.
Forget your limitations.
Learning is more effective when you engage: ask better questions and take better notes.
You learn by creating information and being active in the process.
Information combined with emotion becomes a long-term memory.
Therefore it is paramount to be in a superior mood when learning.
Fun fact: a lot of people don't remember what they learned in school because the umbrella emotion for most of them was boredom.
Instead of being clever during the class, aim to be bewildered by the new information.
Learn with the intention of teaching it to somebody else.
Pretend you had to give a presentation of what you've learned today: