The final test of a gentleman is his respect for those who can be of no possible service to him. William Lyon Phelps
The final test of a leader is that he leaves behind him in other men the conviction and the will to carry on. Walter Lippmann
The final test for a novel will be our affection for it, as it is the test of our friends, and of anything else which we cannot define. E. M. Forster
When I am finishing a picture, I hold some God-made object up to it - a rock, a flower, the branch of a tree or my hand - as a final test. If the painting stands up beside a thing man cannot make, the painting is authentic. If there's a clash between the two, it's bad art. Marc Chagall
The final test of a painting, theirs, mine, any other, is: does the painter's emotions come across? Franz Kline
All such problems can be formulated as mathematical programming problems. Naturally, we can propose many sophisticated algorithms and a theory but the final test of a theory is its capacity to solve the problems which originated it. George Dantzig