Ephesians 2:8

For it is by His unmerited favor through faith that you have been saved; it is not by anything that you have done, it is the gift of God.

Colossians 1:11

then you will be perfectly empowered by His glorious might for every sort of joyous endurance and forbearance,

2 Timothy 4:17

But the Lord stood by me and gave me strength, so that the message preached by me might have its full effect and all the heathen might hear it. So I was rescued from the lion's jaws.

Treasury of Scripture Knowledge

Summary

But the salvation of the righteous is of the LORD: he is their strength in the time of trouble.

Bible References

Strength

Colossians 1:11
then you will be perfectly empowered by His glorious might for every sort of joyous endurance and forbearance,
2 Timothy 4:17
But the Lord stood by me and gave me strength, so that the message preached by me might have its full effect and all the heathen might hear it. So I was rescued from the lion's jaws.