Verses with the word sittest in the Old Testament (6 verses):

Exodus 18:14
And when Moses' father in law saw all that he did to the people, he said, What is this thing that thou doest to the people? why sittest thou thyself alone, and all the people stand by thee from morning unto even?

Deuteronomy 6:7
And thou shalt teach them diligently unto thy children, and shalt talk of them when thou sittest in thine house, and when thou walkest by the way, and when thou liest down, and when thou risest up.

Deuteronomy 11:19
And ye shall teach them your children, speaking of them when thou sittest in thine house, and when thou walkest by the way, when thou liest down, and when thou risest up.

Psalms 50:20
Thou sittest and speakest against thy brother; thou slanderest thine own mother's son.

Proverbs 23:1
When thou sittest to eat with a ruler, consider diligently what is before thee:

Jeremiah 22:2
And say, Hear the word of the LORD, O king of Judah, that sittest upon the throne of David, thou, and thy servants, and thy people that enter in by these gates: