For all the negative things we have to say to ourselves,  
God has a positive answer for it...
nothing is impossible with God
God cares for me
God's grace is sufficient
Never will i leave you
God's wisdom artwork

"It's impossible!"
What is impossible with men is possible with God ~Luke 18:27

"I'm worried, sometimes frustrated!"
Cast all your cares on Him because He cares for you! ~1 Peter 5:7

"I can't go on"
My grace is sufficient for you
for my power is made perfect in weakness. ~2 Corinthians 12:9

"I feel all alone"
Never will I leave you, never will I forsake you ~Hebrew 13:5

"I'm not smart enough"
My message were not with the wise and persuasive words but with 
a demonstration of the Spirit's power so that your faith might not rest
on men's wisdom but on God's power. ~ 1 Corinthians 2:4-5