Matthew 13:15 WEB

¹³  Therefore I speak to them in parables, because seeing they don't see, and hearing, they don't hear, neither do they understand.

¹⁴  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:

¹⁵  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.'

¹⁶  'But blessed are your eyes, for they see; and your ears, for they hear.

¹⁷  For most assuredly I tell you that many prophets and righteous men desired to see the things which you see, and didn't see them; and to hear the things which you hear, and didn't hear them.