Philippians 4:13
 

¹³ I can do all things through Christ who strengthens me.

 

Philippians 1:6
 

⁶ Being confident of this very thing, that He who has begun a good work in you will complete it until the day of Jesus Christ;

 

Hebrews 10:35-36
 

³⁵ Therefore do not cast away your confidence, which has great reward. ³⁶ For you have need of endurance, so that after you have done the will of God, you may receive the promise.