NET
20 The one who has a perverse heart does not find good, and the one who is deceitful in speech falls into trouble.
Darby
20 He that hath a perverse heart findeth no good; and he that shifteth about with his tongue falleth into evil.
KJV
20 He that hath a froward heart findeth no good: and he that hath a perverse tongue falleth into mischief.