Moses provides the first explicit biblical mention of fasting, recorded in Exodus 34:28, where he remained with the Lord forty days and forty nights, neither eating bread nor drinking water, while writing the words of the covenant on the tablets. This was actually his second such fast, since he had also fasted forty days and nights during his first ascent of Mount Sinai. Deuteronomy 9:18 further reveals that between these two mountain ascents, Moses fasted yet another forty days and nights while praying before the Lord after the golden calf incident. This means Moses endured three consecutive forty-day fasts, totaling roughly 120 days without food or water within a very short overall span of time. Such an accomplishment is humanly impossible, yet it is not treated as hyperbole; rather, it demonstrates that God Himself sustained Moses supernaturally throughout this extended period. The common thread running through all three of these fasts is that Moses remained continually in God's presence—whether receiving the Ten Commandments on the mountain, or kneeling before God in prayer during his time between ascents. He was communing with God either directly or through prayer throughout the entire experience. This pattern reveals an important principle about fasting: it does more than simply demonstrate obedience or self-control, though those elements remain foundational. Fasting draws a person closer to God in a way that goes beyond ordinary prayer alone. The added element of humility and self-affliction involved in fasting seems to grant an even deeper access into God's presence. Moses' experience also illustrates that God provides spiritual sustenance during genuine fasting that surpasses any need for physical food or drink. Rather than being weakened by prolonged fasting, Moses was strengthened in the one thing that truly matters—his relationship with God. This counters the natural assumption that abstaining from food would only produce debility; instead, when fasting is done properly and sincerely as an act of drawing near to God, it results in spiritual strengthening even as the physical body might be expected to fail. Moses' example fits within a broader pattern of fasting purposes traced through Scripture, beginning with the very first command in Eden to abstain from one tree, which established fasting as an expression of both obedience to God and self-control over the flesh. Moses' fasts extend this principle by showing that fasting, when accompanied by genuine communion with God, becomes a means of intimacy with Him rather than mere ritual deprivation. This stands in contrast to the empty, hypocritical fasting later condemned in Isaiah 58, where outward affliction produced no real change of heart. Moses' fasting, by contrast, exemplifies the kind of self-denial that authentically draws a person nearer to God and demonstrates that true fasting is sustained and rewarded by God Himself.