The T’cheiles Revolution
While the overwhelming majority of Parshas Sh’lach (read last week in Israel and this week outside Israel) is about the sin of the spies, the last five verses deal with the mitzvah of Tzitzis and the famous blue thread called “t’cheiles”: “Speak to the children of Israel…that they shall make for themselves tzitzis on the corners of their garments…and they shall place upon the tzitzis of each corner a thread of t’cheiles (blue wool)…”