absolutely nothing The 3 leafed clover was used by St patrick to teach the principles of the Father, Son, and Holy Ghost (HOLY Trinity) to the uneducated peasents of Ireland, whom he was Converting to Cathiolisism... so I suppose in that respect the shamrock has to do with St Patrick rather then St. Patrick's Day
The Father, Son and Holy Ghost
Patrick used the shamrock to explain or illustrate the Blessed Trinity. One leaf, three parts: One God, three persons.
St. Patrick would hold the shamrock up and ask the people that were listening to him if the shamrock was one leaf or three. They would reply it was both one leaf and three leaves. He explained it was the same with the Holy Trinity. God is one God in three persons. The Father, the Son, and The Holy Spirit.
Patrick is said to have used the shamrock to help explain the Trinity to his converts - one leaf, three parts; one God, three persons.
The Trinity-- Three persons in One God Three leaves on one stem.
To show the trinity the Christians believe that God is three people in one and a shamrock has three petals on it.
Saint Patrick used the shamrock to illustrate the Blessed Trinity - one leaf with three parts; one God with three persons.
The Trinity (three in one).Patrick used the shamrock to help teach the Trinity - one leaf, three parts, one God, three persons.The shamrock represents the Holy Trinity, in that the three leaves signify the Father, the Son, and the Holy Ghost. Each of the three leaves is part and parcel of the overall shamrock, symbolizing the unity of the three parts of the Almighty.St Patrick used the shamrock to illustrate the mystery of the Holy Trinity. According to Roman Catholicism this supernatural mystery (a mystery the human mind can never fully understand) teaches that there are three separate supernatural Persons or beings, God, the Son (Jesus) and the Holy Spirit which coexist as One. The shamrock illustrates this mystery by having three leaves, each representing a Person of the Holy trinity, but all on the one stem.
Saint Patrick compared the shamrock to the Holy Trinity, using its three leaves to illustrate the Father, Son, and Holy Spirit existing as three persons in one God.
St. Patrick used the clover (also called a shamrock) to explain the Mystery of the Holy Trinity. This is the mystery of three persons in one God. The shamrock is one leaf with three parts.
One leaf, three parts. One God, three persons.
The shamrock - one leaf, three parts.
St. Patrick used the shamrock to explain the Holy Trinity: One leaf, three parts; One God, three persons.