The saying "cleanliness is next to godliness" is not found in the Bible. It is a proverb that was first recorded in the 14th century. However, the sentiment behind the saying is found in many passages of Scripture. For example, in Matthew 23:26 Jesus says "You blind Pharisee! First clean the inside of the cup and the plate, that the outside also may be clean." This shows that Jesus considered cleanliness to be important, both physically and spiritually. So while the saying itself is not in the Bible, the idea behind it certainly is.