Matthew 5:34

But I say to you, Swear not at all: neither by heaven, for it is the throne of God;

Matthew 21:20

And when the disciples saw it, they were astonished, and said: How soon has the fig-tree withered!

Luke 15:18

I will arise and go to my father, and I will say to him, Father, I have sinned against heaven and in your sight,

Luke 15:21

But his son said to him, Father, I have sinned against heaven and in your sight, and am no longer 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 heaven, for it is the throne of God;
Matthew 21:20
And when the disciples saw it, they were astonished, and said: How soon has the fig-tree withered!
Luke 15:18
I will arise and go to my father, and I will say to him, Father, I have sinned against heaven and in your sight,