impossible
Often it is also used to say, "I don't know how much it will cost because I've never done it before."
Difficult is defined as taking an extra 30 minutes longer than easy, and impossible is defined as taking an extra 30 minutes longer than difficult.
I'm told it's the motto of the U.S. Marine Corps, but I don't know the source.
Difficult takes a day. Impossible takes a week. -- JAY-Z
The difficult we do immediately; the impossible takes a little longer.
In 1913, Lady Aberdeen said "The difference between the difficult and the impossible is that the impossible takes a little longer time. The difference between the difficult and the impossible is that the impossible takes a little longer time.
Adopted in 1942 in the above form as the slogan of the U.S. Army
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