You may be referring to: "Live, Jesus, in our hearts." To which the response: "Forever." is given. I don't think it's actually a password. It might best be described as a motto or slogan.
The motto of Casino Christian Community School is 'Grow in Grace and Knowledge'.
Its Facere Et Docere, which means to do and to teach
Teignmouth Community School's motto is 'Carpé Diem'.
The motto of Dallas Christian College is 'κηρύξον τον λογον'.
Tallahassee Community College's motto is 'It's For You'.
Brothers of Christian Instruction's motto is 'For God Alone'.
Community Christian College's motto is 'Designed with the Student in Mind'.
The motto of Community Christian School - Florida - is 'Home of the Crusaders'.
The motto of Casino Christian Community School is 'Grow in Grace and Knowledge'.
Abbey Christian Brothers' Grammar School's motto is 'Congregatio - Fractrum - Christianorum'.
The motto of Leighland Christian School is 'A Christ centered community in the pursuit of excellence'.
Its Facere Et Docere, which means to do and to teach
Christian Brothers College High School's motto is 'Religio ∙ Mores ∙ Cultura'.
Teignmouth Community School's motto is 'Carpé Diem'.
The motto of Lehman Brothers is 'Where Vision'.
Rehoboth Christian College's motto is ''.
The motto of Joy Christian School is 'Building Christian Leaders'.