'Understand' in the Bible

Therefore I speak to them in parables, because seeing they don't see, and hearing, they don't hear, neither do they understand.

In them the prophecy of Isaiah is fulfilled, which says, 'By hearing you will hear, and will in no way understand; Seeing you will see, and will in no way perceive:

for this people's heart has grown callous, their ears are dull of hearing, they have closed their eyes; or else perhaps they might perceive with their eyes, hear with their ears, understand with their heart, and should turn again; and I would heal them.'

When anyone hears the word of the Kingdom, and doesn't understand it, the evil one comes, and snatches away that which has been sown in his heart. This is what was sown by the roadside.

He summoned the multitude, and said to them, "Hear, and understand.

So Jesus said, "Do you also still not understand?

Don't you understand that whatever goes into the mouth passes into the belly, and then out of the body?

"When, therefore, you see the abomination of desolation, which was spoken of through Daniel the prophet, standing in the holy place (let the reader understand),