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At the end of Parshas Bo, there’s a very, very important and fundamental Ramban that describes how the principle beliefs of our emunah were revealed at the time of Yetzias Mitzrayim. Every single Yid must know what are the yesodos of our emunah. The term we as a yeshiva developed to remember what we believe in is: ח.י.ה.

In the gemara (Bava Kamma 92) there is a gantze sugya about the source for certain sayings that the world says. Mei heicha teisi you have to find a mekor in Torah for sayings that people say? הפך בה והפך בה דכולה בה – turn it over and over, for all is therein (Avos 5:22). So in the medical field, we find a concept of American Heart Awareness Month or American Heart Day.