We can be by confessing our sinfulness to God, by acknowledging our need of God, and by responding to Jesus Christ's call to receive him as personal Lord and Savior. To assist you in doing this and to be sure that you are prepared for life after death, read: "How to Be Sure You're a Real Christian—without having to be religious" at: http://tinyurl.com/real-christian.
Podemos estarlo al confesar nuestros pecados a Dios, al reconocer nuestra necesidad de Dios y respondiendo a la llamada de Jesucristo a recibirlo como Señor y Salvador personal. Para asistirlo en hacer esto y para estar seguros de estar preparados para la vida después de la muerte lean: "Como saber que es cristiano autentico, sin tener que ser religioso" en: http://www.actsweb.org/sp/conocer_a_dios1.php.