The formula 'the coming of the Son of Man' is code for 'the Day of the Lord.' The formula does not refer to the fall of Jerusalem in 70 AD, but the days ahead.
We have been given something far more valuable than the lottery, namely our calling. We are obligated not to squander this valuable opportunity.
God's people are the precious jewels (or the private, personal possessions) of God, obligated to conform exclusively to His will and purpose.