The truck driver carries a special license, as the law 'requires' (him to do). = The truck driver carries a special license, 'as required by' law.
What will be 'required' of me if I accept the job? = What will I be 'required' to do if I accept the job?
The newspaper is 'required reading' [=reading that must be done] in my politics course.
(..) Done. You will find... ...I am kind. Unlike the cruel Leonidas, who demanded that you stand... ...I require only... ...that you kneel. Beautiful night. Yes, but I did not ask you here for small talk, Theron. You can be sure of that. (..)2006 300