Job 39:9 in the King James Version
Will the unicorn be willing to serve thee, or abide by thy crib?
Context
8 The range of the mountains is his pasture. He searches after every green thing.
9 “Will the wild ox be content to serve you? Or will he stay by your feeding trough?
10 Can you hold the wild ox in the furrow with his harness? Or will he till the valleys after you?