Verses with the word decline in the Old Testament (5 verses):

Exodus 23:2
Thou shalt not follow a multitude to do evil; neither shalt thou speak in a cause to decline after many to wrest judgment:

Deuteronomy 17:11
According to the sentence of the law which they shall teach thee, and according to the judgment which they shall tell thee, thou shalt do: thou shalt not decline from the sentence which they shall shew thee, to the right hand, nor to the left.

Psalms 119:157
Many are my persecutors and mine enemies; yet do I not decline from thy testimonies.

Proverbs 4:5
Get wisdom, get understanding: forget it not; neither decline from the words of my mouth.

Proverbs 7:25
Let not thine heart decline to her ways, go not astray in her paths.