cleanliness refers to clean mind as well as clean heart.we should be both mentally as well as physically clean.cleanliness also expresses our character.

people always sees our physical appearence to judge us.the people who are not cleanly dressed are always considered as bad people.

we are not the best only if we are physically clean , we need we be mentally clean as well.
God has made us and it is our duty to keep ourselves from our dearest heart.

then we can say " cleanliness is next to godliness " .
Cleanliness have to start  from our home.its very near to means physical and mental cleanliness.wiith the cleanliness we can make our environment clean.avoid the spreading of dieseases.make a healthy mind and body.