Question
What is the significance in Judaism of the colors blue and white? Many talit are white with blue stripes. The Israeli flag is white with blue stripes and a star of David. It seems like a common color theme. Is there any significance? Or did it evolve in popular culture over time like red and green for Christmas?

Question
My six year old son asked me why some Hebrew letters have an “end letter” and others don’t. Thank you so much for your reply and for all your time that you put into answering all these questions!

Question
There is a special hand greeting done in the Star Trek series by Mr. Spock to "live long and prosper". I was told it’s a Hebrew blessing and I have also seen it on plaques and souvenirs in Israel. Would you please help me learn more about it? Thanks.

Question
I would like to know the source of the evil eye symbol and red strings that are sold as jewelry in Judaica stores. Is it permissible to wear them? Should it remind the wearer of something? Is it considered in any way to be idol worship?