If there are four equations and only three variables, and no one of the equations is derivable from the others by algebraic manipulation then there is another variable missing. ↗
The moral equation strongly tells everyone who understands freedom, who understands morality, that Israel is engaging in a just war in defense of its people and its freedom. ↗
In its famous paradox, the equation of money and excrement, psychoanalysis becomes the first science to state what common sense and the poets have long known - that the essence of money is in its absolute worthlessness. ↗