… I believe the best test of a model is how well can the modeler answer the questions what do you know now that you did not know before? and how can you find out if it is true? – Jim Bower
Besides the noble art of getting things done, there is the noble art of leaving things undone. The wisdom of life consists in the elimination of non-essentials. – Lin Yutang
Precepts or maxims are of great weight and a few useful ones on hand do more to produce a happy life than the volumes we cant find. – Lucius Annaeus Seneca