Bible: Whoso Keepeth His

Repeated words found across different books in the Bible (KJV):
Prv 21:23
Whoso keepeth his mouth and his tongue keepeth his soul from troubles.

Prv 27:18
Whoso keepeth the fig tree shall eat the fruit thereof: so he that waiteth on his master shall be honoured.

Prv 28:7
Whoso keepeth the law is a wise son: but he that is a companion of riotous men shameth his father.

Prv 29:3
Whoso loveth wisdom rejoiceth his father: but he that keepeth company with harlots spendeth his substance.

1Jn 2:5
But whoso keepeth his word, in him verily is the love of God perfected: hereby know we that we are in him.