What is the significance of the number 40 in the context of Lent?

Matt Sturm

brett_comerford

jlhill

matt

sara.camporeale

laura.golding

smatamala

n.jaaf

aysemervesut

christie.thompson

shilpa.srivastava

oqbah.ahmed

arno39th

guncha670

sevans

trobinson

amber.henderson

sandra.alfaro

cleliston