So.... This has really helped me lately, and I have also tried to encourage my friends with it...

--You say: "It's impossible"
God says: All things are possible...
(Luke 18:27)

--You say: "I'm too tired"
God says: I will give you rest...
(Matthew 11:28-30)

--You say: "Nobody really loves me"
God says: I love you...
(John 3:16; John 13:34)

--You say: "I can't go on"
God says: My grace is sufficient...
(II Corinthians 12:9; Psalm 91:15)

--You say: "I can't figure things out"
God says: I will direct your steps...
(Proverbs 3:5-6)

--You say: "I can't do it"
God says: You can do all things...
(Philippians 4:13)

--You say: "I'm not able"
God says: I am able...
(II Corinthians 9:8)

--You say: "It's not worth it"
God says: It will be worth it...
(Roman 8:28)

--You say: "I can't forgive myself"
God says: I FORGIVE YOU...
(I John 1:9; Romans 8:1)

--You say: "I can't manage"
God says: I will supply all your needs...
(Philippians 4:19)

--You say: "I'm afraid"
God says: I have not given you a spirit of fear...
(II Timothy 1:7)

--You say: "I'm always worried and frustrated"
God says: Cast all your cares on ME...
(I Peter 5:7)

--You say: "I don't have enough faith"
God says: I've given everyone a measure of faith...
(Romans 12:3)

--You say: "I'm not smart enough"
God says: I give you wisdom...
(I Corinthians 1:30)

--You say: "I feel all alone"
God says: I will never leave you or forsake you...
(Hebrews 13:5)