Cross reference
Exodus 21:19
19 if he rise again, and walk abroad upon his staff, then shall he that smote him be quit: only he shall pay for the loss of his time, and shall cause him to be thoroughly healed.
2 Samuel 3:29
29 let it fall upon the head of Joab, and upon all his father's house; and let there not fail from the house of Joab one that hath an issue, or that is a leper, or that leaneth on a staff, or that falleth by the sword, or that lacketh bread.
Zechariah 8:4
4 Thus saith Jehovah of hosts: There shall yet old men and old women dwell in the streets of Jerusalem, every man with his staff in his hand for very age.