No person shall . . . be deprived of life, liberty, or property, without due process of law . . .

Amendment XIV.

Section 1.
. . . No State shall make or enforce any law which shall abridge the privileges or immunities of citizens of the United States; nor shall any State deprive any person of life, liberty, or property, without due process of law; nor deny to any person within its jurisdiction the equal protection of the laws.