Q: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
In Christian theology , justification is God 's act of pardoning someone 's sins , because of their belief in Christ .
A:
In Christian theology , justification is God 's righteous act of removing the guilt and penalty of sin while , at the same time , declaring the ungodly to be righteous through faith in Christ 's atoning sacrifice .