Eternal Security, or Perseverance of the saints, maintains that none who are truly saved can be condemned for their sins or finally fall away from the faith.
By the way – please avoid cutting and pasting arguments of other writers from other sites to prove your argument. If you want to cut and paste a bit here and there, that is fine, just put the URL where you got the info. You can also reference another URL, too, if you want us to go there to see what that writer says. Thanks!