"biblical" phrases

"let go and let God"
https://www.gotquestions.org/let-go-and-let-God.html

"patience is a virtue"
https://www.projectinspired.com/bible-study-why-patience-is-a-virtue/

"God will not give you more than you can handle"
God will definitely allow you to have more than you can handle, otherwise you would never have to lean on Him. There would be no need for a Savior if we could handle it all ourselves.
https://www.gotquestions.org/more-handle.html

"cleanliness is next to Godliness"
sure, we are supposed to take care of our bodies, especially if we are Christians, because the Holy Spirit is living in us so we are a temple, but this saying is not biblical.
https://www.phrases.org.uk/meanings/cleanliness-is-next-to-godliness.html

"God helps those who help themselves "
https://www.compellingtruth.org/God-helps-those-who-help-themselves.html

"submit to the law of the land"
Just because God told us to obey the person who is in charge does not mean He is ok with who is in charge. but yes, we are to submit and to obey unless it deters us from the truth of God.
https://www.gotquestions.org/laws-land.html