'Law' in the Bible

Only be strong and very courageous, to observe to do according to all the law, which Moses my servant commanded you. Don't turn from it to the right hand or to the left, that you may have good success wherever you go.

This book of the law shall not depart out of your mouth, but you shall meditate on it day and night, that you may observe to do according to all that is written therein: for then you shall make your way prosperous, and then you shall have good success.

as Moses the servant of Yahweh commanded the children of Israel, as it is written in the book of the law of Moses, an altar of uncut stones, on which no man had lifted up any iron. They offered burnt offerings on it to Yahweh, and sacrificed peace offerings.

He wrote there on the stones a copy of the law of Moses, which he wrote in the presence of the children of Israel.

Afterward he read all the words of the law, the blessing and the curse, according to all that is written in the book of the law.

Only take diligent heed to do the commandment and the law which Moses the servant of Yahweh commanded you, to love Yahweh your God, to walk in all his ways, to keep his commandments, to hold fast to him, and to serve him with all your heart and with all your soul."

"Therefore be very courageous to keep and to do all that is written in the book of the law of Moses, that you not turn aside from it to the right hand or to the left;

Joshua wrote these words in the book of the law of God; and he took a great stone, and set it up there under the oak that was by the sanctuary of Yahweh.