Isaiah 56:4

56:4 For this is what the Lord says:

“For the eunuchs who observe my Sabbaths

and choose what pleases me

and are faithful to my covenant,

Proverbs 4:13

4:13 Hold on to instruction, do not let it go;

protect it, because it is your life.

Ecclesiastes 7:18

7:18 It is best to take hold of one warning without letting go of the other warning;

for the one who fears God will follow both warnings.