WHere in the Old Testement did the Lord their God give them laws for "ALL GENERATIONS"?

Question

I understand the "fullfillment" quote Christans are about to sling at me,

Im starting to think its not monkeys and atheists who sling feces, but the Christians with those bible verses

come on,

here christian,

hit me with "jesus came to fulfill the law"

Answer 1

16 The Israelites are to observe the Sabbath, celebrating it for the generations to come as a lasting covenant.
17 It will be a sign between me and the Israelites forever, for in six days the LORD made the heavens and the earth, and on the seventh day he abstained from work and rested.'"
18 When the LORD finished speaking to Moses on Mount Sinai, he gave him the two tablets of the Testimony, the tablets of stone inscribed by the finger of God.