'Requires' in the Bible

"I tell you that even if he will not rise and give him the loaves because he is his friend, at any rate because of his persistency he will rouse himself and give him as many as he requires.

Now when the crowds came thronging upon Him, He proceeded to say, "The present generation is a wicked generation: it requires some sign, but no sign shall be given to it except that of Jonah.