Proverbs 24:8-10

Amplified Bible

⁸ 
He who plans to do evil
Will be called a schemer or deviser of evil.
⁹ 
The devising of folly is sin,
And the scoffer is repulsive to men.

¹⁰ 
If you are slack (careless) in the day of distress,
Your strength is limited.