"I can’t do that!"

2 Corinthians 3:5
"...Not that we are competent in ourselves to claim anything for ourselves, but our competence comes from God."

2 Corinthians 3:12
"...Therefore, since we have such a hope, we are very bold."

2 Timothy 1:7
"...for God did not give us a spirit of timidity but a spirit of power, of love and of self-discipline."