How can I make my character strong?

How can I make my character strong?
23 Tips for Building a Strong Character

Know yourself.
Surround yourself with inspirational people.
Never stop learning from others.
Avoid toxic people.
Be open to new experiences.
Take care of yourself.
Be open to the opinion of others.
Learn to deal with your past mistakes.

23 Tips for Building a Strong Character
  1. Know yourself.
  2. Surround yourself with inspirational people.
  3. Never stop learning from others.
  4. Avoid toxic people.
  5. Be open to new experiences.
  6. Take care of yourself.
  7. Be open to the opinion of others.
  8. Learn to deal with your past mistakes.