How dont people realize devil is a lied?!?!?!?

the devil is a lier!! i seen a gierl with a skeleton 7 cross bone neckalace& iasked her if shewas saved & she said she was a athiest & i gotten scared & she said she was jokin & i told her to remove it she didnt want to listen the devil is a lie & said her mom baught it idc !!!!& she walked away smh & i just said her souls in jepaordy....its scary....& how the devil can be & how people dont realize it the devil is a lie!!!!!!!!!!!!!!!!