Safety concerns of coal mining?

He who comes from above is above all; he who is of the earth belongs to the earth,

and of the earth he speaks; he who comes from heaven is above all.

He bears witness to what he has seen and heard, yet no one receives his testimony;

he who receives his testimony sets his seal to this, that God is true.

For he whom God has sent utters the words of God,

for it is not by measure that he gives the Spirit;