How do we know that God accepts our fasting?

Acceptance of fasting by God is not based on the literal act of giving up food or comfort but on the heart's condition and the intentions behind it. In Isaiah 58, God specifies that true fasting involves loosening the bonds of wickedness and helping the oppressed, showing that He values acts of mercy and love over rituals. Thus, a fast that pleases God is one that transforms the heart and leads to actions aligned with His will, ultimately pointing back to the grace and sufficiency found in Christ. Believers are encouraged to approach God in humility and seek His grace in their spiritual endeavors.