New Living Translation
Their hearts are dull and stupid, but I delight in your instructions.

American Standard Version
Their heart is as fat as grease; But I delight in thy law.

Berean Study Bible
Their hearts are hard and callous, but I delight in Your law.

Douay-Rheims Bible
Their heart is curdled like milk: but I have meditated on thy law.

English Revised Version
Their heart is as fat as grease; but I delight in thy law.

King James Bible
Their heart is as fat as grease; but I delight in thy law.

World English Bible
Their heart is as callous as the fat, but I delight in your law.

Young's Literal Translation
Insensate as fat hath been their heart, I -- in Thy law I have delighted.

Psalm 119:70 Additional Translations ...