Look unto Christ in every thought
D&C 6:36
The keys of the Aaronic Priesthood
D&C 13:1
The Lord is bound when we do what he says.
D&C 82:10
D&C 1:30
The only true and living church
D&C 89:18-21
The blessings of the Word of Wisdom
The Holy Ghost speaks to our minds and hearts
D&C 8:2-3
Priesthood power depends on ones righteousness
D&C 121:36, 41-42
The worth of souls is great in the sight of God.
D&C 18:10-11
JSH 1:15-20
The first vision, God called Joseph Smith to be a prophet.
The new and everlasting covenant of marriage
D&C 131:1-4
D&C 88:118
Seek learning by study and faith
D&C 107:8
The authority of the Melchizedek Priesthood
D&C 58:42-43
To repent we must repent and forsake sin.
D&C 21:4-6
As we receive the prophet's word in patience and faith, God will disperse the powers of darkness.
D&C 49:15-17
Marriage between a man and a woman is ordained of God.
You could use this scripture to explain that God and Jesus Christ have bodies of flesh and bone and the Holy Ghost is a personage of spirit.
D&C 130:22-23
Application: A friend of yours has a question about how religious leaders receive their authority to preach. What scripture could you use?
D&C 42:11 The Lord's representatives must be called by one who has authority.
Application: A friend of yours has heard about temples and that members of your church feel like they can get closer to God in them. What scripture could you use?
D&C 84:20-22 The power of godliness is manifest in priesthood ordinances.
Application: Your Catholic friend comments that he follows the Pope and you follow a prophet. Share a scripture about the importance of prophets.
D&C 1:37-38
Application: Your church friend is having a hard time forgiving someone who posted something negative about them on social media. Now everyone will see it forever. What scripture can you share?
D&C 64:9-11 We are required to forgive all people.
Give an application of D&C 29:10-11
This scripture is about Christ coming again in power and glory.
Application: In Biology Class, you are learning about evolution. Some of your Christian friends wonder about how the earth was created. What scripture could you use?
D&C 76:22-24 Jesus Christ lives and is the creator of worlds.
Application: A friend of yours comments that karma is more important than religion. To repay for our bad deeds we only need to offset them with good deeds. Share a scripture about Christ's atoning sacrifice.
D&C 19:16-19 The Savior suffered for our sins so we could repent.
Application: Your friend asks you about Joseph Smith and why he is so important in your church. Share a scripture.
D&C 135:3 Joseph Smith labored for our salvation.
Application: Your friends think it is cool that you are going to go on a mission and maybe go live in a foreign country and learn a new language. You know it means more than that. Share a scripture.
D&C 18:15-16 Joy in bringing souls to Jesus Christ.