But the temple he had spoken of was his body.
The Temple was just a figure of the true Temple that was to come, which is Jesus Himself. He is greater than the Temple (Matt 12:6). The Temple was where the Presence of God dwelt, but only as the shekinah glory between the wings of the seraphim. In Christ dwelt the fullness of God (Col 2:19). The Temple was originally called the tabernacle of the congregation which means the tent of meeting. It was where God and man met. Jesus was fully man and yet fully God and is thus where man and God completely and fully meet. That is why He is the best possible mediator.
Matt 12:6 I tell you that one greater than the temple is here.
Col 2:19 He has lost connection with the Head, from whom the whole body, supported and held together by its ligaments and sinews, grows as God causes it to grow.