'Ashes' in the Bible

Woe to thee, Chorazin! woe to thee Bethsaida! for if the works of power which have taken place in you, had taken place in Tyre and Sidon, they had long ago repented in sackcloth and ashes.

Woe to thee, Chorazin! woe to thee, Bethsaida! for if the works of power which have taken place in you had taken place in Tyre and Sidon, they had long ago repented, sitting in sackcloth and ashes.

For if the blood of goats and bulls, and a heifer's ashes sprinkling the defiled, sanctifies for the purity of the flesh,

and having reduced the cities of Sodom and Gomorrha to ashes, condemned them with an overthrow, setting them as an example to those that should afterwards live an ungodly life;