Samuel Freeman Miller

“ We have announced more than once that it is the established rule of this court that no one can be permitted to go into a court of equity to enjoin the collection of a tax until he has shown himself entitled to the aid of the court by paying so much of the tax assessed against him as it can be plainly seen he ought to pay; that he shall not be permitted, because his tax is in excess of what is just and lawful, to screen himself from paying any tax at all until the precise amount which he ought to pay is ascertained by a court of equity ”

“ It is held in these cases that when the inequality of valuation is the result of a statute of the State designed to discriminate injuriously against any class of persons or any species of property, a court of equity will give appropriate relief; and also where, though the law itself is unobjectionable, the officers who are appointed to make assessments combine together and establish a rule or principle of valuation, the necessary result of which is to tax one species of property higher than others, and higher than the average rate, the court will also gie relief. ”

“ And when we come to its application to the property of all the citizens, and of those who are not citizens in all the localities of a large State like Illinois, the application being made by men whose judgments and opinions must vary as they are affected by all the circumstances brought to bear upon each individual, the result must inevitably partake largely of the imperfection of human nature, and of the evidence on which human judgment is founded.' p. ”