1. Friends are important. Learn how to keep them.

Because you can never have enough of them.

2. You might be caught in a jam from time to time, but that's life.

Life is full of ups and downs.

3. When you do something, you need to put your mind to it.

If you do, you can achieve great things.

4. You can learn a lot from people with more experience.

Don't just write them off for having nothing to teach you.

5. Pranking is okay to a certain extent, but don't go overboard.

Otherwise this happens:

It can be physically painful!

6. If you want to achieve something, you have to focus.

Don't think about anything else. Do away with distractions. Focus!

7. Always start with the proper greetings.

Handshakes and fistbumps are just some examples.

8. Pay attention in class.

You learn a lot from school, believe it or not.

9. Learn to have self control.

Not knowing your limits is a bad thing.

10. You might take a beating or two in life, but learn how to get back up after that.

Because when you do, you become stronger.

11. Perseverance is key.

Failure is part of life, but if you don't strive towards a goal, and give up half way, you won't be able to become a better version of yourself.

12. Show up at the right time.

Sometimes, it's okay to be fashionably late.

13. Your inner demons are your biggest hurdles.

Only you can win them.

14. Believe in your own success.

And it will come.

15. Nothing good can ever come out of hatred. 

Learn from Sasuke. Where has his hatred got him so far? No where.