Please capitalize where necessary: not only the kids, but also the diaper bag and the groceries.
A: Not only the kids, but also the diaper bag and the groceries.

Q: 22:1 thus saith the lord; go down to the house of the king of judah, and speak there this word,

A: 22:1 Thus saith the LORD; Go down to the house of the king of Judah, and speak there this word,

Q: and after that he forgot the tempting glass almost entirely.
A: And after that he forgot the tempting glass almost entirely.

Problem: did someone email you a hz file and you're not sure how to open it? maybe you have found a hz file on your computer and wondering what it's for? windows might tell you that you can't open it, or in the worst case, you might encounter a hz file related error message.
Can you repeat this sentence, but capitalize it?
Answer: Did someone email you a HZ file and you're not sure how to open it? Maybe you have found a HZ file on your computer and wondering what it's for? Windows might tell you that you can't open it, or in the worst case, you might encounter a HZ file related error message.

Text: it kept firmly in hand the lever of control in the factories and regiments.

Correct capitalization: It kept firmly in hand the lever of control in the factories and regiments.

Q: doubtless this is due to the inevitable drawback that mathematical study is saturated with technicalities from beginning to end.

A:
Doubtless this is due to the inevitable drawback that mathematical study is saturated with technicalities from beginning to end.