The answer is: Psalm 117

Psalms 117:1-2 - This psalm is remarkable not only for its brevity but also for its universal call to praise. It emphasizes God’s steadfast love and faithfulness, a theme echoed throughout the Bible. Interestingly, it's the middle chapter of the entire Bible, bridging both Testaments in its declaration of worship.

Psalm 117 may be tiny, but it packs a punch with its universal theme of praise! This two-verse Psalm isn’t just the smallest; it’s a look at the big picture of humanity's relationship with the divine. It calls on all nations and peoples to give thanks. How cool is that? People from every corner of the globe are invited to join in the celebration of God’s steadfast love and faithfulness!

Yet, what makes this psalm even more intriguing is its place within the greater context of scripture. Being the middle chapter of the Bible, it lies at a unique juncture between the Hebrew Scriptures and the New Testament. It serves as a reminder that praise isn't just limited to one culture or time frame—it's a unified thread throughout human experience.

Another fascinating aspect is the exegetical consideration of the term "faithfulness." In Hebrew, the word used here represents an enduring, covenantal love that has been a consistent theme throughout the epic tales of the Old Testament, from God’s promises to Noah right through to the New Testament.

It's also worth noting that the Psalms have been set to music countless times through history. Imagine an uplifting tune resonating from a dusty scroll, finding life through the melodies of different cultures over centuries! Psalm 117 reminds us that the heart’s call to worship crosses all barriers and bonds us as a global family. That’s something worth celebrating too!