3 Bible Verses about Beating Oneself

But I buffet my body, and bring it into bondage; lest, by any means, after having preached to others, I myself should be rejected.

"But the tax-collector, standing afar off, would not lift up even his eyes to heaven, but was smiting his breast, saying, 'God, be merciful to me, the sinner!'

And all the multitudes, coming together to this sight, viewing the things that took place, were returning, smiting their breasts.