a more sure word of Prophecy

Matthew 13:10-23 KJV And the disciples came, and said unto him, Why speakest thou unto them in parables? [11] He answered and said unto them, Because it is given unto you to know the mysteries of the kingdom of heaven, but to them it is not given. [12] For whosoever hath, to him shall be given, and he shall have more abundance: but whosoever hath not, from him shall be taken away even that he hath. [13] Therefore speak I to them in parables: because they seeing see not; and hearing they hear not, neither do they understand. [14] And in them is fulfilled the prophecy of Esaias, which saith, By hearing ye shall hear, and shall not understand; and seeing ye shall see, and shall not perceive: [15] For this people's heart is waxed gross, and their ears are dull of hearing, and their eyes they have closed; lest at any time they should see with their eyes, and hear with their ears, and should understand with their heart, and should be converted, and I should heal them. [16] But blessed are your eyes, for they see: and your ears, for they hear. [17] For verily I say unto you, That many prophets and righteous men have desired to see those things which ye see, and have not seen them ; and to hear those things which ye hear, and have not heard them. [18] Hear ye therefore the parable of the sower. [19] When any one heareth the word of the kingdom, and understandeth it not, then cometh the wicked one , and catcheth away that which was sown in his heart. This is he which received seed by the way side. [20] But he that received the seed into stony places, the same is he that heareth the word, and anon with joy receiveth it; [21] Yet hath he not root in himself, but dureth for a while: for when tribulation or persecution ariseth because of the word, by and by he is offended. [22] He also that received seed among the thorns is he that heareth the word; and the care of this world, and the deceitfulness of riches, choke the word, and he becometh unfruitful. [23] But he that received