 His successors in the Izhbitza – Radzin dynasty de-emphasized it in their commentaries.Leiner's disciple Zadok HaKohen of Lublin continued the thought of his teacher, also developing a complex philosophic system which presented a dialectic nature in history, arguing that great progress had to be preceded by crisis and calamity.The most fundamental theme underlying all Hasidic theory is the immanence of God in the universe, often expressed in a phrase from the "Tikunei haZohar", "Leit Atar panuy mi-néya" (Aramaic