Exodus 16:6 in the King James Version
And Moses and Aaron said unto all the children of Israel, At even, then ye shall know that the LORD hath brought you out from the land of Egypt:
Context
5 It shall come to pass on the sixth day, that they shall prepare that which they bring in, and it shall be twice as much as they gather daily.”
6 Moses and Aaron said to all the children of Israel, “At evening, you shall know that the LORD has brought you out from the land of Egypt.
7 In the morning, you shall see the LORD’s glory; because he hears your murmurings against the LORD. Who are we, that you murmur against us?”