That is irrelevant. I could not believe x, but operate under the assumption that x is true for the sake of argument, which does not mean that I believe x.
"God demonstrates His own love toward us, in that while we were still sinners, Christ died for us" (Romans 5:8).
"Always be ready to give a defense to everyone who asks you a reason for the hope that is in you" (1 Peter 3:15).
"Always be ready to give a defense to everyone who asks you a reason for the hope that is in you" (1 Peter 3:15).