Aesop's Fables
#134 The Goat and the Goatherd
A Goatherd had sought to bring back a stray goat to his flock. He whistled and sounded his horn in vain; the straggler paid no attention to the summons.
At last, the Goatherd threw a stone, and breaking its horn, begged the Goat not to tell his master.
The Goat replied, "Why, you silly fellow, the horn will speak though I be silent!"
Do not attempt to hide things which cannot be hid.