Philippians 1:11 NIV

Hebrews 12:11 NIV
No discipline seems pleasant at the time, but painful. Later on, however, it produces a harvest of righteousness and peace for those who have been trained by it.

John 15:4-5 NIV
Remain in me, as I also remain in you. No branch can bear fruit by itself; it must remain in the vine. Neither can you bear fruit unless you remain in me. “I am the vine; you are the branches. If you remain in me and I in you, you will bear much fruit; apart from me you can do nothing.

John 15:8 NIV
This is to my Father’s glory, that you bear much fruit, showing yourselves to be my disciples.