American Quotes and aphorisms about unforeseen Brian Greene H. R. McMaster ,, What is certain about the future is that even the best efforts to predict the conditions of future ... P. T. Barnum ,, True economy consists in always making the income exceed the out-go. Wear the old clothes a little ... Dan Quayle Tony Dungy Jason Silva ,, Technology sometimes gets a bad rap because of certain consequences that it's had on the environmen... Jamais Cascio Nick Turse Raymond E. Feist