Below you will find all the verses that the site references. Unless otherwise noted all verses come from the NKJ version.
A new commandment I give you, that you love one another; as I have loved you, that you also love one another. By this all will know that you are My disciples, if you have love for one another. (John 13:34-35)
But the hour is coming, and now is, when the true worshipers will worship the Father in spirit and truth; for the Father is seeking such to worship Him. God is Spirit, and those who worship Him must worship inspirit and truth. (John 4:23-24)
And Jesus came and spoke to them, saying, All authority has been given to Me in heaven and on earth. Go therefore and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit, teaching them to observe all things that I have commanded you: and lo, I am with you always, even to the end of the age. (Mathew 28:18-20)