'Ears' in the Bible

And he said, "Whoever has ears to hear, let him hear!"

If anyone has ears to hear, let him hear!"

And he took him away from the crowd by himself [and] put his fingers into his ears, and [after] spitting, he touched his tongue.

And his ears were opened and {his difficulty in speaking was removed} and he began to speak normally.

[Although you] have eyes, do you not see? And [although you] have ears, do you not hear? And do you not remember?