Christians consider Abraham as their prime example of faith and belief. They always promote this via Genesis 15:6.
They never speak of the utter unbelief shown in Genesis 17:17-19.
Not only did Abraham LAUGH IN UNBELIEF, but he even tried to push the issue by his statement: "O that Ishmael might live before you."
Genesis 15:6
And he believed in YHUH and he counted it to him for rightness.
And he believed in YHUH and he counted it to him for rightness.
Genesis 17:17-19
17) And ABRAHAM fell on his face and LAUGHED and said in his heart, Shall a son of a hundred years have one born to him and Sarah a daughter of ninety years shall bear?
18) And Abraham said to the Elohim, O that Ishmael might live before you.
19) And Elohim said, Your wife Sarah truly shall bear to you a son and you shall call his name Isaac...
17) And ABRAHAM fell on his face and LAUGHED and said in his heart, Shall a son of a hundred years have one born to him and Sarah a daughter of ninety years shall bear?
18) And Abraham said to the Elohim, O that Ishmael might live before you.
19) And Elohim said, Your wife Sarah truly shall bear to you a son and you shall call his name Isaac...