And when they had appointed him (Paul) a day, there came many to him into his lodging; to whom he expounded and testified the kingdom of God, persuading them concerning Jesus, both out of the law of Moses, and out of the prophets, from morning till evening.And some believed the things which were spoken, and some believed not.
And when they agreed not among themselves, they departed, after that Paul had spoken one word, Well spake the Holy Ghost by Esaias the prophet unto our fathers, Saying, Go unto this people, and say, Hearing ye shall hear, and shall not understand; and seeing ye shall see, and not perceive: [ Isa 6:9 Matt 13:14 John 12:40 ]
For the heart of this people is waxed gross, and their ears are dull of hearing, and their eyes have they closed; lest they should see with their eyes, and hear with their ears, and understand with their heart, and should be converted, and I should heal them. [ Isa 6:10 Matt 13:15 Mark 4:12 ]
Be it known therefore unto you, that the salvation of God is sent unto the Gentiles, and that they will hear it.
And when he had said these words, the Jews departed, and had great reasoning among themselves.
And to see how Jesus explained it to the disciples:
Matthew 13: 10-11 And the disciples came, and said unto him, Why speakest thou unto them in parables?
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. given [ See Matt 11:25, 16:17, Mark 4:11, Luke 8:10, 1st Cor 2:10, Col 1:26, 1st John 2:27 for more parables and insights ] 28 Be it known therefore unto you, that the salvation of God is sent unto the Gentiles, and that they will hear it. 29 And when he had said these words, the Jews departed, and had great reasoning among themselves.