Destiny is absolutely true. This is life explained by a algebra equation.
Assuming that each individual is assigned a different letter of the alphabet, and that everything in the known universe is assigned a number, and each individual is assigned a number beside their alphabetical letter from which all other numbers effect that number, destiny is made by the choices of the individual by there interaction with other numbers. It is destiny that the individual will die without seeing a specific doctor. But it is destiny that the individual will live by seeing the right one.
Destiny is a changing variable from which all other variables in the universe effect the solution.
He is lying in either of these cases. Your automatically assuming that anything he says is a statement that is an absolute constant, instead of a variable. It is not stated the possibility that his statement changes in each instance. He may only lie half the time.