'Understand' in the Bible

Jesus answered, "Are you the teacher of Israel and yet you don't understand these things?

Then many of his disciples, when they heard these things, said, "This is a difficult saying! Who can understand it?"

(They did not understand that he was telling them about his Father.)

Why don't you understand what I am saying? It is because you cannot accept my teaching.

Jesus told them this parable, but they did not understand what he was saying to them.

But if I do them, even if you do not believe me, believe the deeds, so that you may come to know and understand that I am in the Father and the Father is in me."

(His disciples did not understand these things when they first happened, but when Jesus was glorified, then they remembered that these things were written about him and that these things had happened to him.)

"He has blinded their eyes and hardened their heart, so that they would not see with their eyes and understand with their heart, and turn to me, and I would heal them."

Jesus replied, "You do not understand what I am doing now, but you will understand after these things."

So when Jesus had washed their feet and put his outer clothing back on, he took his place at the table again and said to them, "Do you understand what I have done for you?

If you understand these things, you will be blessed if you do them.

I no longer call you slaves, because the slave does not understand what his master is doing. But I have called you friends, because I have revealed to you everything I heard from my Father.

So they kept on repeating, "What is the meaning of what he says, 'In a little while'? We do not understand what he is talking about."

Now they understand that everything you have given me comes from you,

because I have given them the words you have given me. They accepted them and really understand that I came from you, and they believed that you sent me.

(For they did not yet understand the scripture that Jesus must rise from the dead.)