the trinity exists in scripture as Jesus instructed his disciples to baptize in the name of the Father, the Son, and the Holy Spirit.
The apostles founded churches and upon their deaths other bishops were appointed to succeed them in leadership.
The early christians left behind evidence of their beliefs, the trinity being among them....
http://www.carm.org/doctrine/trinityquotes.htm
“the trinity exists in scripture as Jesus instructed his disciples to baptize in the name of the Father, the Son, and the Holy Spirit.”
Show me where it states they are three persons in one being of one substance. We don’t deny there is a Father, Son and Holy Ghost, we don’t deny they are one God, we disagree with how the creeds define that oneness.
“The early christians left behind evidence of their beliefs, the trinity being among them....
http://www.carm.org/doctrine/trinityquotes.htm";
Also, many of the quotes there, especially the earlier ones, do not claim three persons in one being or of one substance. If you examine a broader range of what they said, you will find many of them teaching things that are contrary to the creeds that came later on, for example Justin Martyr taught that Christ was second in rank to the Father, and the Holy Ghost was third in rank, contrary to the co-equal claims of the creeds.