Luke 11:12

12 and if he may ask an egg, will he present to him a scorpion?

Luke 11:12 In-Context

10 for every one who is asking doth receive; and he who is seeking doth find; and to him who is knocking it shall be opened.
11 `And of which of you -- the father -- if the son shall ask a loaf, a stone will he present to him? and if a fish, will he instead of a fish, a serpent present to him?
12 and if he may ask an egg, will he present to him a scorpion?
13 If, then, ye, being evil, have known good gifts to be giving to your children, how much more shall the Father who is from heaven give the Holy Spirit to those asking Him!'
14 And he was casting forth a demon, and it was dumb, and it came to pass, the demon having gone forth, the dumb man spake, and the multitudes wondered,
Young's Literal Translation is in the public domain.