some of the main parts to the sharia law that muslims believe expresses the highest and best goals for all societies and they are ; drinkers and gamblers should be whipped , husbands can hit their wives , an eye for an eye , thieves must have hands cut off , highway robbers to be crucified , adulterers to be stoned to death , homosexuals must be executed , death to non-muslim critics , apostates to be killed and offensive and aggressive jihad .