# For the Son of God ... is not "Yes" and "No." Instead, he is always "Yes."

"For the Son of God ... does not say 'Yes' and 'No' concerning God's promises. Instead, he always says 'Yes.'" 

# the Son of God

This refers to Jesus, the Son of God. It is best to translate "Son" with the same word that your language uses to refer to a human son.