The answer is: Holy Spirit

Acts 2:1-4 - Feast of Weeks is 50 days (Gr. Pentecost) after First Fruits

The Feast of Weeks, or Pentecost, is a vibrant celebration found deeply woven into Jewish tradition. Celebrated fifty days after Passover, this feast is both a harvest festival and a time of remembrance, marking the giving of the Torah on Mount Sinai. It's fascinating to note that the word "Pentecost" simply means "fifty" in Greek, reflecting this exact timing.

In the early chapters of Acts, this significant day becomes a turning point for the disciples. Gathered together in one place, they experience a miraculous outpouring of the Holy Spirit, symbolized by tongues of fire and swift winds—elements that evoke images of both divine power and sacred presence. This moment not only transforms them personally, empowering their lives with boldness and purpose, but simultaneously catalyzes the birth of the early Church.

Interestingly, the themes of harvesting and regeneration resonate in this context. Just as the harvest signifies abundance, the arrival of the Holy Spirit signifies the "harvest" of souls to come. And did you know that in the Jewish tradition, the Feast of Weeks also celebrates the gathering of crops? It's a time of gratitude for God's provision, mirrored beautifully in the gratitude for the spiritual bounty the disciples received.

The overflowing spiritual energy experienced on that first Pentecost echoes throughout history as it speaks to the continual presence and support from a higher power, encouraging all to reach towards unity and creativity in sharing love and understanding in the world around them.