Qureshi's answer may surprise you: God did, starting with the very first verse of the Bible!
"'In the beginning God created the heavens and the earth.' If we look more closely at the word we translate 'God," Elohim, we see it is plural. If we were to translate it literally, we would translate it 'Gods.' But the reason we do not translate it that way is because the verb in the sentence is singular. The word Elohim is plural, but the verse treats it as a singular noun. So, in the very first verse of the Bible, we see that God is in some sense plural, but in some sense singular. This fits the model of the Trinity perfectly: God is in one sense plural, in terms of His persons, but in another sense singular, in terms of His being."1
So we see that from the very first verse of the Bible, the Trinity is present!
To learn more about Qureshi's forthcoming book, see here.
Our review is forthcoming and we will also be giving away 5 copies later this month so keep watching the blog for details and thank you for your readership!
You can pre-order your copy here.
Courage and Godspeed,
1. Nabeel Qureshi, No God but One: Allah or Jesus?, p. 59-60.
My Favorite Analogy of the Trinity
Article: Understanding the Trinity by Peter S. Williams
Video: The Trinity Explained (with Reason)