Being a Light in the World & Questions About the Catholic Faith

How can we be a light in this world? What is “spy Wednesday”? Why hasn’t the Church declared anyone to be in Hell? Is eating meat on Fridays during Lent a mortal sin? Why do people say Jesus rose from the dead on the 8th day when in the Scriptures it says Jesus rose from the dead on the third day?

“Meat on Lenten Fridays: A Mortal Sin?” by Jimmy Akin: https://jimmyakin.com/2004/04/meat_on_lenten_.html