Hebrews 12:12

Therefore hold up the hands which hang down, and the paralyzed knees,

Matthew 4:2

And having fasted forty days and forty nights, He afterward hungered.

2 Corinthians 11:27

in labor and in toil, in vigils often, in hunger and in thirst, in fastings often, in cold and in nakedness.

Treasury of Scripture Knowledge

Summary

My knees are weak through fasting; and my flesh faileth of fatness.

Bible References

Knees

Matthew 4:2
And having fasted forty days and forty nights, He afterward hungered.
2 Corinthians 11:27
in labor and in toil, in vigils often, in hunger and in thirst, in fastings often, in cold and in nakedness.
Hebrews 12:12
Therefore hold up the hands which hang down, and the paralyzed knees,