What is this wisdom?

Jesus Is Lord

And when the Sabbath day had come, he was teaching in the Synagogue; and a number of people hearing him were surprised, saying, From where did this man get these things? and, What is the wisdom given to this man, and what are these works of power done by his hands?
Mark 6:2 BBE

The secret of the kingdom of God

Jesus Is Lord

And he said to them, To you is given the secret of the kingdom of God, but to those who are outside, all things are given in the form of stories;
Mark 4:11 BBE

So that seeing they may see, and it will not be clear to them; and hearing it, they will not get the sense; for fear that they may be turned again to me and have forgiveness.
Mark 4:12 BBE