How about you, aren't there times you just wish you could mow the "grass" and it would stay mowed? It's not our job though. This is one of God's promises and He will keep it.

Psalm 92:5-7
How great are your works, O Lord!
Your thoughts are very deep!
The stupid man cannot know;
the fool cannot understand this:
that though the wicked sprout like grass 
and all evildoers flourish,
they are doomed to destruction forever;
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