4 Lessons

Ein Aya Shabbat that Elevates Not Just the Secular but Even the Foreign
Ein Aya Shabbat 4, 8
It's common knowledge that Shabbat elevates the secular to be holy, but Rav Kook writes that the ideal Shabbat will elevate even concepts which are foreign to Judaism.

The spiritual view A Deeper Take on Shabbat: Why is This Allowed & That Prohibited?
Ein Aya Shabbat 4, 4
This important lecture helps answer the classic question we all ask: Why are certain things allowed on Shabbat and others forbidden? Rav Kook, based on Kabbalistic sources, explains that the 6 days of creation and the Mishkan- the 2 classic "constrictions" (Tzimtzum) of God, are the anti-thesis of Shabbat. Accordingly only and precisely those 39 types of labor which were done to construct the mishkan correspond to the 6 days of creation, from which we want to rise above on Shabbat, to get a taste of the original Shabbat which preceded creation, and the final Shabbat, when all of creation will be like Shabbat. This basic and beautiful idea is clarified here in a very understandable way

Ein Aya Shabbat Candles- How Can Mothers and the Non-Learned Produce Scholarly Kids?
Ein Aya Shabat Chapter B Paragraph 28
How to build a home of Torah even if you are not a rabbi, through clear priorities and genuine identification.

Ein Aya Permanence in Uniting Body and Soul
Ein Aya Shabat Chapter B Paragraph 3
The Shabbat Candles represent permanently uniting the body and soul. Ideals must be sincerely expressed thru action, not just thought or speech which can be more artificial or hypocritical.