What is the best way to create strong passwords that can be remembered? Please tell me the best strategies for this and explain why.
The best way to create strong passwords that can be remembered is by using a combination of upper and lowercase letters, numbers, and symbols. Here are some tips on how to do it:

Use a password manager: A password manager like LastPass or KeePass helps you securely store all your passwords in one place, making it easier to remember them. You can also generate strong passwords there as well.

Use a secure browser: Use a secure web browser such as Firefox with the "Firefox Quantum" update, which includes built-in security features like two-factor authentication and data protection.

Set up regular password changes: Regularly changing your passwords is an important step in keeping your accounts safe. It's recommended to change your passwords every few months, but even once a year will help improve your security.

Use a unique password for each account: Make sure to use different passwords for each online account you have, especially if any of those accounts contain sensitive information like financial records or personal photos.

Use a secure email provider: Consider using a secure email service like ProtonMail or Tutanota to send and receive emails, as these services provide additional encryption and privacy protections.

It's worth noting that no single strategy is foolproof, so it's always important to practice good cyber hygiene and take steps to protect yourself from potential threats.