A watered down gospel is no gospel at all. If the biblical gospel message is altered or refuted, it is just another gospel- and no gospel at all. Perhaps one of the all time greatest delusions in the Christian world, is the innumerable number of people who are under the impression that, in order to be forgiven their sins and inherit eternal life, all they have to do is believe Yeshua (Jesus) died for their sins on the cross.
The Holy Convocations of Yahweh: When Yahweh says we are to celebrate His Feasts, He uses a Hebrew word that means appointed times or appointments. They are the Holy Convocations or Sacred Assemblies of Yahweh. There are 7 festivals that Yahweh prescribed in the Bible- 4 in the spring and 3 in the fall and the Shabbaths all year around. We can find them in the Leviticus 23.
Is the Trinity Biblical ??