'Knowing' in the Bible

When the man in charge of the banquet tasted the water that had become wine (without knowing where it had come from, though the servants who had drawn the water knew), he called for the bridegroom

But Jesus, knowing within himself that his disciples were grumbling about this, asked them, "Does this offend you?

Then Jesus, knowing everything that was going to happen, went forward and asked them, "Who are you looking for?"