STEP BY STEP
“And with many such parables spake he the word unto them, as they were able to hear it. But without a parable spake he not unto them: and when they were alone, he expounded all things to his disciples.” Mark 4:33-34
as they were able to hear it. More was taught to the disciples as they were able to hear and understand the things concerning the Kingdom. Cf. Matt. 13:11. Most of the crowd did not understand because they would not want to apply it if they did understand, so Christ waited until He was alone with His disciples (Mark 4:34) to explain the meaning of His parables. Referring back to the prophecy from Isa. 6:9-10.
all things See 1 Cor. 3:21-23 where all things were gifts from God. See 1 Cor. 15:24-28 to see where all things are headed to the Kingdom of God.
2 types of distinct pedagogic methods. Parables to the public who unable to believe His truth and exposition to the disciples who received all the things the Father wanted His kingdom residents to understand. Step by step. Cf. Matt 13:36-53.