The Bible says, 'The truth shall make you free.' But let's not forget it was Spiro Agnew who said that a good lie will keep you out of jail in the first place.
It is reported from 'Ubayd ibn 'Umayr (radiAllahu anhu) that he said: "It used to be said when winter came: O people of the Qur`an, the night has become long so you can pray (more) and the day has become short for you to fast."