The Book of Zohar has a different meaning every day.
Rabbi Moshe Chaim Ephraim of Sudilkov,
Degel Machaneh Ephraim [The Banner of the Camp of Ephraim],
Portion: Bo [Come], p 84
While studying The Zohar, one should deem each and every word as wisdom of truth.
The prayer book of Rabbi Shabtai Rashkovar, “Order of the Study,” p 17
When studying The Zohar, one should contemplate each and every word, for each letter is an innovation in and of itself, and things that seem literal are actually a secret, for The Zohar is all light.
Rav Chaim HaCohen, Good Conducts, Item 46
While studying The Zohar, one should cry a lot until he is granted understanding.
About Rabbi Nachman of Breslev, Talks of Rabbi Nachman, 8