This teaching is found in the Jerusalem Talmud: Peah, Ch. 1, Halacha 1; page 4b.
 Tzitzis is a four-corned garment with fringes on it (Bamidbar: 15; 37 – 40). “And you shall see it and you shall remember all of the commandments of HaShem and you shall perform them, and you shall not stray after your heart and after your eyes which you stray after. In order that you shall remember and you shall perform all of My commandments and you shall be holy to your G-d.” (Bamidbar: 15; 39 – 40)
 Lulav is the palm frond that is taken during the holiday of Sukkot along with the three branches of myrtle leaves, two branches willow leaves, and esrog. (Vayikra: 23; 40)
 Ram’s horn that is blown on the holidays of Rosh HaShanah and Yom Kippur. (Vayikra: 23; 24)
 This teaching is found in the Jerusalem Talmud, maseches “Peah”, chapter 1, halacha 1.