Bible Verses About Prophets: Often left without, on account of sin

Now the child Samuel ministered to the Lord before Heli, and the word of the Lord was precious in those days, there was no manifest vision.

For in the hand of the Lord there is a cup of strong wine full of mixture. And he hath poured it out from this to that: but the dregs thereof are not emptied: all the sinners of the earth shall drink.

Behold the days come, saith the Lord, and I will send forth a famine into the land: not a famine of bread, nor a thirst of water, but of hearing the word of the Lord.

And they shall move from sea to sea, and from the north to the east: they shall go about seeking the word of the Lord, and shall not find it.