Matthew 5:34

"But I say to you, swear not at all; neither by the sky, for it is God's throne;

Matthew 21:20

When his disciples saw this, they were astonished. "How instantaneously," they said, "the fig tree withered!"

Luke 15:18

"'I will rise and go to my father, and say to him. "Father, I have sinned against Heaven and in your sight,

Luke 15:21

"The son said to him, 'Father, I have sinned against heaven and in your sight and am no more worthy to be called your son.'

Treasury of Scripture Knowledge

Summary

And whereas they commanded to leave the stump of the tree roots; thy kingdom shall be sure unto thee, after that thou shalt have known that the heavens do rule.

Bible References

The heavens

Matthew 5:34
"But I say to you, swear not at all; neither by the sky, for it is God's throne;
Matthew 21:20
When his disciples saw this, they were astonished. "How instantaneously," they said, "the fig tree withered!"
Luke 15:18
"'I will rise and go to my father, and say to him. "Father, I have sinned against Heaven and in your sight,