Matthew 27:6

6 And the chief priests took the silver pieces, and said, It is not lawful for to put them into the treasury, because it is the price of blood.

Matthew 27:6 In-Context

4 Saying, I have sinned in that I have betrayed the innocent blood. And they said, What is that to us? see thou to that.
5 And he cast down the pieces of silver in the temple, and departed, and went and hanged himself.
6 And the chief priests took the silver pieces, and said, It is not lawful for to put them into the treasury, because it is the price of blood.
7 And they took counsel, and bought with them the potter's field, to bury strangers in.
8 Wherefore that field was called, The field of blood, unto this day.
The King James Version is in the public domain.