Likutei Moharan 182:1/ליקוטי מוהר"ן קפ״ב:א׳

1Know! all that the world speaks about during the Sefirah (Omer Counting period), throughout the entire Sefirah period, is only about the sefirah (the divine emanation) associated with that day.

2Someone who understands, is able to hear and know this. If he listens very carefully to their conversations, he will hear that they speak only of the divine emanation of that day.