We should not be so taken up in the search for truth, as to neglect the needful duties of active life; for it is only action that gives a true value and commendation to virtue. Marcus Tullius Cicero
We should not forget, no matter how we quantify it: 'Freedom is not free.' It is a painful lesson, but one from which we have learned in the past and one we should never forget. Paul Gillmor
We should not look back unless it is to derive useful lessons from past errors, and for the purpose of profiting by dearly bought experience. George Washington
We should not mislead the Iraqis into thinking they have unlimited time to reach a settlement. The longer they think that, the less likely they will be to act. Sherrod Brown