Benchmarks are targets that have to be fulfilled. They cannot be fulfilled in an indefinite period of time, so there are timetables in benchmarks. Zbigniew Brzezinski
If the human race wishes to have a prolonged and indefinite period of material prosperity, they have only got to behave in a peaceful and helpful way toward one another. Winston Churchill
But the central point is that any campaign against Iraq, whatever the strategy, cost and risks, is certain to divert us for some indefinite period from our war on terrorism. Brent Scowcroft
This war on terrorism is going to continue for an indefinite period of time. Tom Ridge
...Тhe maintenance of large armies for an indefinite period is not a practical or a promising basis for policy. George C. Marshall