The Rebbe teaches that today, it's not enough to be a Chassid—we must understand Chassidus so our knowledge shapes our life. This reflects the inner message of Sefirat HaOmer and Lag BaOmer: uniting intellect with action and revealing the oneness in Torah and in all aspects of life through Pnimius HaTorah.
https://www.torahrecordings.com/rebbe/004_igros_kodesh/iyar/996