Genesis 27:20

Isaac said: How did you find it so quickly, son? Jacob answered: Jehovah your God helped me find it.

Genesis 24:12

He said: O Jehovah, the God of my master Abraham, please grant me success today. Show loving-kindness to my master Abraham.

Exodus 20:7

Never use the name of Jehovah your God in a false and evil way. Jehovah will make sure that anyone who is false, evil, careless and vain with his name will be punished.

Job 13:7

Will you speak wickedly on God's behalf? Will you speak deceitfully for him?

Treasury of Scripture Knowledge

Summary

And Isaac said unto his son, How is it that thou hast found it so quickly, my son? And he said, Because the LORD thy God brought it to me.

General references

Bible References

Because

Exodus 20:7
Never use the name of Jehovah your God in a false and evil way. Jehovah will make sure that anyone who is false, evil, careless and vain with his name will be punished.
Job 13:7
Will you speak wickedly on God's behalf? Will you speak deceitfully for him?

General references

Genesis 27:35
Isaac responded: Your brother deceived me. He has taken your blessing.