“What is perfection in love? Love your enemies in such a way that you would desire to make them your brothers … For so did He love, Who hanging on the Cross, said ‘Father, forgive them, for they know not what they do.’” (Luke 23:34)
No one is forced to be a Christian. But no one should be forced to live according to the "new religion" as though it alone were definitive and obligatory for all mankind.
Those who with God's help have welcomed Christ's call and freely responded to it are urged on by love of Christ to proclaim the Good News everywhere in the world.
For many people today, practical atheism is the normal rule of life...If this attitude becomes a general existential position, then freedom no longer has any standards, then everyting is possible and permissible.
“If you believe what you like in the Gospels, and reject what you don’t like, it is not the Gospel you believe, but yourself.”
Missale Romanum