1 Kings 2:9 KJV
Now therefore hold him not guiltless: for thou art a wise man, and knowest what thou oughtest to do unto him; but his hoar head bring thou down to the grave with blood.
1 Kings 2:9, King James Version
In context
8 And, behold, thou hast with thee Shimei the son of Gera, a Benjamite of Bahurim, which cursed me with a grievous curse in the day when I went to Mahanaim: but he came down to meet me at Jordan, and I sware to him by the Lord, saying, I will not put thee to death with the sword.
9 Now therefore hold him not guiltless: for thou art a wise man, and knowest what thou oughtest to do unto him; but his hoar head bring thou down to the grave with blood.
10 So David slept with his fathers, and was buried in the city of David.