So, I visited a cahothilic mass and I noticed a few things that surprised me.
First, I noticed there were no copies of the bible in the pews. There were only song books.
Second, I noticed there was a fold down bench and we were to kneel a lot of the time. That wasn't there in the other christian churches I have been to.
Third, I noticed the priest mix two cups of liquid into a third, dip a cracker in it, sing to the cracker, and eat it. He then fed other crackers to the parishioners for the eucharist.
Fourth, There was a really nice part where he told us all to look around us and shake hands or otherwise say hi to everybody around us. That was a nice surprise.
Fifth, There wasn't really any hate being preached. That was nice to see (or not see).
It is heartening to hear that you attended a Catholic Mass. In Christianity, the Catholic Church, is the "Universal Church ... the "One True Church". It's western arm is the Catholic Church (about 1.2 billion), and its Eastern Arm (about 300 million) is the Orthodox Church.
Re the Bibles, that may have been the church you went to. Bibles are often found in the pews. It is true that the Catholic Church is not a "bible literal" church like certain Protestant sects ... the US Fundamentalist Christians for instance. Scripture is always read out in mass, and examples of Christ like behaviour from saints, the Virgin Mary etc., are often spoken about to give examples how parishioners can follow that behaviour, and "walk in the shoes of Christ".
Yes, Catholic mass is very "up and down" ... there is a lot of kneeling for prayer. Catholics always kneel to pray ... whether at mass, lighting a candle in church (usually in front of a statue of Christ) to pray to God. There is a pattern to Catholic mass, which if you went to mass anywhere in the world, would always be followed.
The Eucharist. This is where we take the body and blood of Christ into our own bodies. To be at one with him. The holy wine (red wine) symbolises his blood. The "host" (a thin wafer) is given to the parishioner (but only if they have been confirmed into the Church) with open palms, the parishioners say "Amen" to the priest who gave him / her the host. Depending on the church, the parishioner can drink the holy wine from the cup ... hygiene though will often see the practice replaced with the host being dipped into the wine.
Drinking / dipping the wine is purely optional ... but a confirmed parishioner will always take the host. The host is placed on the tongue and left to dissolve. It is not chewed or eaten. It is very plain, cardboard like unleavened bread.
The sign of peace. Yes, it is a beautiful part of mass. Catholicism is a church of the people for the people. It promotes peace and love for our fellow man. It is where we welcome our brothers and sisters into our hearts, in the presence of God.
Catholicism does not preach hate. Go to a US Fundamentalist or Evangelical Church if you want that. Catholicism at its most base level promotes as its prime doctrine to consider the needs of other people before oneself, and to be there and to help people when they most need it.
The Christmas mass I attended on Monday, actually preached interfaith bonding with Islam. The homily discussed the story portrayed in Of Gods and Men. The homily wasn't highlighting the eventual murder of French Trappist Monks in Algeria by Islamic militants, but rather the initial bond they formed when injured militants turned up at the monastery seeking medical help from the monks' clinic. The militants entered the monastery with weapons, and were told "this is a house of God, and weapons are not welcomed". A scriptural recitation followed, where the bible and Quran were traded, and Jesus respected as a prophet.
The militants put down their weapons. This occurred by scripture and a shared love of God.
I myself have witnessed some real interfaith discussion and a willingness to make brothers with Catholics. I met brother Scimitar on another message board, and the friendship we formed has turned to us seeing each others as brothers. Real brothers. Catholicism is a faith built on peace and love. The kindness and love I have received has been returned in droves.
You won't find any form of hostility towards islam from the Catholic Church ... rather the opposite ... being a real genuine desire to build bridges and close gaps between Christianity and Islam through a shared love of God.