Exodus 5:9

5:9 Make the work harder for the men so they will keep at it and pay no attention to lying words!”

Exodus 20:6

20:6 and showing covenant faithfulness to a thousand generations of those who love me and keep my commandments.

Exodus 31:16

31:16 The Israelites must keep the Sabbath by observing the Sabbath throughout their generations as a perpetual covenant.