Lecture from the local System Administrator

I typed the command in the Ubuntu console:

$ sudo mc

It returned me this:

We trust you have received the usual lecture from the local System
Administrator. It usually boils down to these three things:

    #1) Respect the privacy of others.
    #2) Think before you type.
    #3) With great power comes great responsibility.

And asks for a password. What is it? I just want to get root access to the console.

1. The message you got is the usual message displayed when you run "sudo" for a very first time on a given account. Consider it some kind of a warning, that you will be acting as root from now on, so you could damage the system if you make a mistake. It won't be displayed on subsequent invocations of "sudo".

2. The password you have to type is the password of the user you are running "sudo" from.