Everything is in it

In a mishnah in Pirkei Avos (5:6) (popularized by Shweky ; - ), Ben Bag Bag states "Hafoch ba hafoch ba, de'kula ba - Turn it and turn it, for everything is in it." In other words, all of the wisdom of the world can be found in the Torah, albeit often expressed cryptically and with brevity - leaving it to Torah scholars to tease out the details through diligent study. http://www.chizukshaya.com/vayishlach/

A Canadian Rabbi delved into Biblical verses and says that from there—from the Torah’s narrative and the derivative teachings found in rabbinic commentaries—he learned the answers to life’s everyday moral questions. In order to share the practical insights he gleaned over decades of study and teaching, Chabad-Lubavitch Rabbi Lazer Gurkow, spiritual leader of Beth Tefilah synagogue in London, Ontario, Canada wrote Reaching for G-d: The Jewish Book on Self Help.
Continue reading: http://crownheights.info/chabad-news/372908/book-offers-practical-advice-from-biblical-narratives/

I attended a lecture the other day in which the rabbi spoke about the second chapter of Megillat Esther. He pointed out that we have a custom that when we recite a devar Torah, we attribute it to the author. We learn this from the 22nd verse in chapter 2.
And the thing became known to Mordecai, who told it unto Esther the queen; and Esther told the king thereof in Mordecai's name.
Esther told the king, in the name of Mordechai, that there was a plot to kill him.

The video below explains how we learn about giving a ring at a marriage ceremony from this week's parsha.