Definitions

What is halacha ?

Dear Rabbi, This is a secular question. In my Polish-Jewish neighborhood, the old timers used to say "Yoni-Cohani" when excited. Can you tell me what this means? Thank you.   Sincerely, Gary J. Pasieka CDXLIV

Dear Rabbi, In Exodus 3:6: "Moshe hid his face for he was in awe." Is "hid his face" a Hebrew idiom and what does it signify? Joachim Bromet  

What do the names Shem, Ham, and Japheth mean?

Hi, a recent prayer in the US Congress got me wondering what the word “Amen” really means, and to find out its origin. Can you help me? Thanks, Rabbi.

I want to be a tzaddik. But I'm too lagging behind spiritually. I believe it will be helpful to listen to Jewish advice about this matter because there are many Jewish tzaddikim. What shall I do to become a tzaddik?

Jewish nation has many tzaddikim. 25% of nobel prize winners are jewish. But I guess over the half of world tzaddikim are jewish. Why are there so many jewish tzaddikim? Is there any jewish know-how to produce tzaddikim?