Shemot Rabba (Mishpatim) 31:5- future punishment for lenders with interest and the reality of poor people.

Ohr HaChaim explains the three ingredients required to recieve and absorb the Torah

The Torah compares people and trees and this can be explained on various levels, lessons fitting for Tu BiShvat

The new year for trees is a curious phenomena and the complaints of Zevulun is explained based on a reference in Shir HaShirim

The concept of "chamushim" highlights the step needed to recieve protection from Hashem, and understanding the "she'eino yodeya li'shol" is the method of creating this unity

Reason Mishna changes the variable from Reisha to Seifa and discussion of halacha when the 14th falls on Friday

The idea of leaving Egypt "chamushim" highlights that we are protected when we are united, and one way to accomplish this is to understand the son who "does not know to ask"

Shemot Rabba (Va'era) 7:4- through the reward of the righteous and the suffering and recognition of the wicked Hashem is ultimately honored

While one source would imply that the underlying cause for the suffrage in Egypt was due to a misdeed of Avraham, another would imply it was due the lacking in his descendants. Which one was it?

The need for the Egyptian suffering and it's resolution are a powerful lesson in the necessity of Jewish unity.