Answer: There is no other to whom we can go for the Words of eternal life. Jesus IS the Holy One of God, and ONLY HE has the Words that bring us eternal life, (verses 68 and 69).
MORE INFORMATION AND/OR OTHER SCRIPTURE REFERENCES:
Deuteronomy 32:45-47: "When Moses finished reciting all these words to all Israel, he said to them, ‘Take to heart all the words I have solemnly declared to you this day, so that you may command your children to obey carefully all the words of this law. They are not just idle words for you--they are your life. By them you will live long in the land you are crossing the Jordan to possess.'"
Psalm 119:81: "My soul faints with longing for Your salvation, but I have put my hope in Your Word."