Jos 24:15 And if it seem evil unto you to serve the LORD, choose you this day whom ye will serve; whether the gods which your fathers served that [were] on the other side of the flood, or the gods of the Amorites, in whose land ye dwell: but as for me and my house, we will serve the LORD.

Because...

John 14:6 Jesus saith unto him (doubting Thomas, the apostle), I am the way, the truth, and the life: no man cometh unto the Father, but by me.