The reason for Easter 

Christmas and Easter are two parties that Christians of any denomination celebrate a lot. The first, because it is associated to the advent of Jesus. The second, because it is a proof of the immortality of the soul.

We refer, of course, in the second case, the so-called resurrection of Jesus, rather, its first appearance after the disembodiment of his Spirit, as recorded in the Gospel of John: 

And Mary stood weeping outside at the tomb. While she, therefore, crying, bent over to the tomb. And she saw two angels in white, seated where Jesus' body had lain, one at the head and one at the feet. And they say unto her, Woman, why are you weeping? She said to them: They have taken away my Lord, and I do not know where they have laid him. And having said this, she turned herself back, and saw Jesus standing, but did not know that it was Jesus. Jesus said unto her: Woman, why are you weeping? What do you search? She, supposing him to be the gardener, said unto him: Sir, if thou have borne him hence, tell me where thou hast laid him, and I will take him. Jesus said to her: Mary! She turned and said to him: Rabboni, which means, Master. (John. 20: 11-16)

Since no one certainly ignores the Easter festival was established well before within the Jewish people, but their motivation is quite different from that animates the followers of Christianity.

The institution of the Passover is reported in the book of Exodus, 12: 1-51. Here is a brief account of the origins of that which is to the Jews a special party:

Reporting to the time of departure of the Hebrews from Egypt, the Lord said to Moses and Aaron, still in Egyptian land, that this was the first month of the year and the tenth day each one takes a lamb for his family. If people in the house were few to eat the lamb, invite the neighbors. The lamb had to be male, a year old without blemish, and could be a goat with the same qualities. The animal would be saved until the 14th, to be sacrificed in the afternoon. The blood of the animal should be put on the two doorposts and on the lintel of the doors of their homes, where the same night, lamb meat, baked in the fire, would be food, together with unleavened bread and wild lettuce.

It was the institution of the Passover, that is, the passage of the Lord, since that night the Lord would pass through the land of Egypt and then kill all the firstborn, from man to beast. The blood on their doors would prevent families of the Hebrews to be hurt. It would be a memorable day that it should be celebrated from generation to generation as a perpetual worship, as a solemn feast to the LORD.

It all happened as it had been announced by the Lord, as in the night all the firstborn of Egypt, from the son of Pharaoh to the firstborn of the captive and animals, were slain. There was no house in Egypt where there were not some dead. Pharaoh then called Moses and Aaron in the same night and authorized the departure of the Jews, with their flocks and family, and even the Egyptians urged the Hebrews to come out soon, afraid to die.

The children of Israel did what Moses had commanded them, and departed. They were about six hundred thousand men, out of boys, leading to a countless number of sheep, cattle and animals of various kinds, in large numbers. It completed 430 years since the children of Israel were living in Egypt. The night when the Lord brought them out of Egypt should be remembered for all generations, as the Lord said to Moses and Aaron, "This is the rite of Easter: no foreigner shall eat of it." Slaves should be circumcised, and then could eat; longer foreigners and mercenaries, no. If any pilgrim wanted to celebrate the Easter of the Lord, first should make circumcision and could celebrate it. 

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It is difficult when we read the Old Testament books, to distinguish what is fact and what is simple allegory.

In the case in point, if the facts described actually happened, the Jewish Passover not only celebrates the departure of the Hebrews, but widespread killing of the Egyptian people and, what it is worse, attributed to the Lord himself, whatever that means this word.

As God instituted by Moses, the commandment "Thou shalt not kill" what makes up the Decalogue, it is not possible that him or any of his agents, so act.

Unlikely, the Easter celebrated by Christians praises not death, but immortality, because it offers us the indisputable proof that soul and body are distinct elements and that if death is real for our poor body, it in no way affects the soul , who still lives in the same way he lived before his immersion in the flesh.