Standing before the infinite greatness of God, a person naturally experiences a profound inability to offer adequate praise. Human language simply lacks the vocabulary to capture the true magnitude of His power, and His praiseworthy deeds are inherently boundless and endless [מלבי״ם]. Any attempt to fully list Divine miracles and acts of kindness is destined to fail. Because it is impossible for anyone to express the entirety of His mighty acts or make all of His praise heard [רד״ק, מלבי״ם], the primary approach among commentators is that we are called to offer a general expression of gratitude for His overall goodness, fully aware that we can only articulate a tiny fraction of the praise He truly deserves [אבן עזרא, מצודת דוד, מאירי].
These mighty acts specifically point to the grand historical miracles God performed for the Israelites in Egypt, at the sea, and throughout their journey in the desert [רד״ק]. Yet, the idea that no human can fully recount God’s wonders seems to contradict another statement by King David, where he confidently declares that he will recount all of God's wonders. Some commentators resolve this by explaining that David was referring strictly to the visible, personal miracles he experienced during his own battles, which he could actually count. In contrast, the broader inability to recount God's deeds refers to sweeping historical events or the hidden, daily miracles that a person experiences without even realizing it [רד״ק]. Others, however, argue that even personal miracles cannot be fully comprehended, as a person is rarely aware of the full extent of the miracles done for them. According to this view, the promise to recount all wonders is simply a poetic, prophetic figure of speech rather than a literal accounting [מאירי].
This profound human limitation leads to a practical and philosophical boundary. Because no individual can possibly declare all of God’s praise, the Talmudic sages established a warning against independently piling on titles and praises beyond the standard prayers they instituted. The logic is clear: only someone capable of expressing the absolute entirety of God's praises would be fit to fully recount His mighty acts. Since no such person exists, inventing and adding personal praises is actually viewed as an affront that diminishes His honor rather than elevating it [תורה תמימה, אלשיך].
Beyond simply speaking of God's power, the act of expression carries a deeper spiritual function. The concept of articulating these mighty acts is also compared to the agricultural action of plucking ears of grain, serving as a metaphor for softening and mitigating harsh judgments [חומת אנך]. Furthermore, the obligation to thank God for His goodness is not restricted to periods of wealth and abundance. True gratitude extends even to times of suffering and hardship, rooted in the understanding that these difficult experiences are ultimately for a person's benefit and serve to cleanse them of their mistakes [אלשיך].