Proverbs 20:20 KJV
Whoso curseth his father or his mother, his lamp shall be put out in obscure darkness.
Proverbs 20:18–22 KJV Chapter Context
18
Every purpose is established by counsel: and with good advice make war.
19
He that goeth about as a talebearer revealeth secrets: therefore meddle not with him that flattereth with his lips.
20
Whoso curseth his father or his mother, his lamp shall be put out in obscure darkness.
21
An inheritance may be gotten hastily at the beginning; but the end thereof shall not be blessed.
22
Say not thou, I will recompense evil; but wait on the LORD, and he shall save thee.