33 And with many such parables spake hee the word vnto them, as they were able to heare it.
34 But without a parable spake he not vnto them, and when they were alone, hee expounded all things to his disciples.
Mk 4:33-34
Use of Parables. (1769). Holy Bible: Gospel According to Mark; Authorized King James Version, Pure Cambridge Edition. Oxford, England.
All scripture is given by inspiration of God and is profitable for doctrine, reproof, correction, and instruction in righteousness (2 Timothy 3:16).