Wait for the LORD;be strong and take heart
and wait for the LORD.
Psalm 27:14 New International Version

Be strong and take heart,
all you who hope in the LORD.
Psalm 31:24 New International Version

I can do everything through him who gives me strength.
Philippians 4:13 New International Version

Finally, be strong in the Lord and in his mighty power
Ephesians 6:10 New International Version

Blessed is the man who perseveres under trial, because when he has stood the test, he will receive the crown of life that God has promised to those who love him.
James 1:12 New International Version Bible