One of the really great things I learned in Shar Yashuv of Rav Freifeld was the idea of review. I had learned the Musar book Ways of the Righteous and also had see the a book bringing the path of learning of Rav Nahman which was to say the words and go on. So the fact that Motti Freifeld [Rav Freifeld's son] kept on telling me about the importance of Iyun [in depth learning] and review gave me a sort of balance. [In fact, it was the conflict between these two extremes that gave me the idea of doing every paragraph of the Gemara with Rashi twice in Hebrew and once in English, and then going on.] So nowadays, I still try to find a sort of balance between these two approaches-- whether in the Gemara, Tosphot and/or the Avi Ezri of Rav Shach or in Mathematics and Physics.
I once mentioned to my learning partner in Uman, David Bronson that it seems to me that without the emphasis on learning in depth that I got in Shar Yashuv in my beginning of learning, that I never would have gotten the idea at all. For I noticed that unless one gets the idea of learning in depth at the very start of one's learning, then no matter how much "bekiut" fast learning he does later, he never gets the idea of the in depth sort. [They just tend to skip over Tosphot as if the details are irrelevant. Therefore even with much learning, they never get the essence of Torah.]
