Psalms 109:24
My knees are weak through fasting; and my flesh faileth of fatness.
Original Language Analysis
כָּשְׁל֣וּ
are weak
H3782
כָּשְׁל֣וּ
are weak
Strong's:
H3782
Word #:
2 of 6
to totter or waver (through weakness of the legs, especially the ankle); by implication, to falter, stumble, faint or fall
וּ֝בְשָׂרִ֗י
and my flesh
H1320
וּ֝בְשָׂרִ֗י
and my flesh
Strong's:
H1320
Word #:
4 of 6
flesh (from its freshness); by extension, body, person; also (by euphemistically) the pudenda of a man
Historical Context
Fasting was central to Israelite spirituality, practiced individually during crisis and corporately during national calamity. Extended fasting demonstrated the seriousness of one's petition and was often accompanied by wearing sackcloth and sitting in ashes. The physical toll described here suggests weeks or months of distress, not brief discomfort, reflecting the gravity of David's situation—likely political conspiracy threatening his life and kingdom.
Questions for Reflection
- How does physical fasting or self-denial help focus spiritual attention on God during crisis?
- What role should bodily disciplines play in Christian spirituality that emphasizes salvation by grace, not works?
- How does Christ's physical suffering and weakness validate bringing all dimensions of suffering—body, soul, and spirit—to God?
Analysis & Commentary
My knees are weak through fasting; and my flesh faileth of fatness. Physical deterioration accompanies David's spiritual anguish. Kashal (כָּשַׁל, weak/stumbling) describes knees that can no longer support body weight, while my flesh faileth of fatness uses kaḥash (כָּחַשׁ, grow lean/waste away), indicating severe emaciation.
The fasting mentioned here likely combines religious discipline with grief-induced loss of appetite. In Israel's culture, fasting expressed mourning, repentance, and urgent petition before God. David's physical weakness testifies to the intensity and duration of his suffering—this is no brief trial but prolonged affliction that has consumed his body.
This verse anticipates the Suffering Servant who was "despised and rejected" with "no beauty that we should desire him" (Isaiah 53:2-3). Christ's physical suffering on the cross, weakened by beatings and crucifixion, fulfills the pattern of the righteous sufferer who trusts God through bodily affliction. The visible wasting of David's body makes his suffering undeniable and intensifies his appeal for divine intervention.