Guard your steps and focus on what you are doing as you go to the house of God and draw near to listen rather than to offer the [careless or irreverent] sacrifice of fools; for they are too ignorant to know they are doing evil.

Then I considered all which my hands had done and labored to do, and behold, all was vanity and chasing after the wind and there was no profit (nothing of lasting value) under the sun.