When evaluating a model, at least two broad standards are relevant. One is whether the model is consistent with the data. The other is whether the model is consistent with the 'real world.'

O God! that bread should be so dear And flesh and blood so cheap!

Who thinks you're as fantastic as your dog does?

I believe that everything in life happens for a reason.

Washington was a man of exceptional, almost excessive self-command, rarely permitting himself any show of discouragement or despair.

To err is human; to forgive, infrequent.

Yet when ancient forces stir, many things are woken.

I never, ever, ever let emotion get in the way of an investment.

All stress inhibits true and effective learning.

Even now, and you can look at me, am I a savage person? My conscience is clear.

The Democrats and the Republicans are equally corrupt where money is concerned. It's only in the amount where the Republicans excel.