Luke 23:48

All the people who had collected to see the sight watched what occurred, and then went home beating their breasts.

Luke 18:13

Meanwhile the tax-gatherer stood at a distance, not venturing even 'to raise his eyes to Heaven'; but he kept striking his breast and saying 'O God, have mercy on me, a sinner.'

Acts 2:37

When the people heard this, they were conscience-smitten, and said to Peter and the rest of the Apostles: "Brothers, what can we do?"

Treasury of Scripture Knowledge

Summary

And all the people that came together to that sight, beholding the things which were done, smote their breasts, and returned.

Bible References

Smote

Luke 18:13
Meanwhile the tax-gatherer stood at a distance, not venturing even 'to raise his eyes to Heaven'; but he kept striking his breast and saying 'O God, have mercy on me, a sinner.'
Acts 2:37
When the people heard this, they were conscience-smitten, and said to Peter and the rest of the Apostles: "Brothers, what can we do?"