Mencius - Book 4, Part 2, Chapter 25

Mencius said, 'If the lady Hsî had been covered with a filthy head-dress, all people would have stopped their noses in passing her.

'Though a man may be wicked, yet if he adjust his thoughts, fast, and bathe, he may sacrifice to God.'
~ James Legge translation via nothingistic.org ~

Go here to read the introductory post to this serialized version of the Works of Mencius.