Matthew 23:25-26
A curse on you, you hypocritical scribes and Pharisees, for you clean the outside of the cup and the dish, but inside they are full of your greed and self-indulgence.
Hebrews 9:10
since they deal only with food and drink and various washings, that is, with mere material regulations which are in force only until the time of setting things straight.
Hebrews 9:13
For if the blood of bulls and goats and a heifer's ashes sprinkling those who are ceremonially unclean purifies them with physical cleansing,
James 4:8
Draw near to God and He will draw near to you. Get your hands clean, you sinners. Get your hearts purified, you double-minded.
1 Peter 3:21
Baptism, which corresponds to this figure, now saves you, too -- I do not mean the mere removal of physical stains, but the craving for a clear conscience toward God -- through the resurrection of Jesus Christ,
Revelation 7:14
I answered him, "You know, my lord." He said to me: "These are the people who are coming through the great persecution, who have washed their robes and made them white in the blood of the Lamb.