Matthew 6:16

And when you fast, do not put on a sad countenance, as the hypocrites do; for they disfigure their faces, that they may appear to men to be fasting. Verily, I say to you, They have their reward.

Treasury of Scripture Knowledge

Summary

So the prophet departed, and waited for the king by the way, and disguised himself with ashes upon his face.

Disguised

Bible References

Disguised

Matthew 6:16
And when you fast, do not put on a sad countenance, as the hypocrites do; for they disfigure their faces, that they may appear to men to be fasting. Verily, I say to you, They have their reward.