'Quick' in the Bible

The priest shall then look, and if there is a white swelling in the skin, and it has turned the hair white, and there is quick raw flesh in the swelling,

And Jonathan called after the lad, “Hurry, be quick, do not stay!” And Jonathan’s lad picked up the arrow and came to his master.

But when they heard this, they were cut to the quick and intended to kill them.

Now when they heard this, they were cut to the quick, and they began gnashing their teeth at him.

This you know, my beloved brethren. But everyone must be quick to hear, slow to speak and slow to anger;