Another aspect of what we can learn about God in the Bible is known as the doctrine of the Trinity, which can be explained this way: We believe that “God eternally exists as three persons, Father, Son and Holy Spirit, and each person is fully God and there is one God.” (Wayne Grudem)

There are reasons to believe in the Trinity all over the Bible throughout the Old and New Testament writings. If you want to participate in making disciples, you will need to help others recognize what those reasons are.

Here are some examples from each part of the Bible for you to look at.

I. The Trinity in the Old Testament

The concept of the Trinity is given with hints in the Old Testament. Here is an example of what these “hints” looks like. In Psalm 110:1 (ESV) we read this:

“The LORD says to my Lord: “Sit at my right hand, until I make your enemies your footstool.”

In this verse we see a conversation taking place between God the Father (the LORD) and God the Son (who is called my Lord) while David is listening to them talk. There are also times when we see the presence of the Holy Spirit in the Old Testament as well:

“Then the Spirit of the LORD will rush upon you, and you will prophesy with them and be turned into another man.” (1 Samuel 10:6 ESV)

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II. The Trinity in the New Testament

In the New Testament, Jesus offered explanations that were understood by his first century Jewish audience to say Jesus Christ was the God who spoke to Abraham and appeared to Moses at Mount Sinai.

Here is an example of what these comments by Jesus looked like:

“I and the Father are one.” (John 10:30 ESV)

If that is not enough for you, go read the part of the Gospel where Jesus was being put on trial by the Jewish High Priest and the Sanhedrin. The reason they wanted to kill Jesus was because Jesus claimed to be the God they were worshiping in the Temple. They considered this to be blasphemy, which Moses said carried a death penalty:

“You have heard his blasphemy. What is your decision?” And they all condemned him as deserving death.” (Mark 16:64 ESV)