There is no comparison between that which is lost by not succeeding and that which is lost by not trying.
Francis Bacon (1561-1626) British statesman and philosopher.
A common mistake people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.
Douglas Adams (1952-?) British musician and author.
There ain't no rules around here, we're trying to accomplish something.
Thomas Alva Edison (1847-1931) American inventor.
Set your target and keep trying until you reach it.
Napoleon Hill (1883-1970) American speaker and motivational writer.
When one is trying to do something beyond his known powers it is useless to seek the approval of friends. Friends are at their best in moments of defeat.
Henry Miller (1891-1980) American author.
There is merit in the attempt, and a whole lot accomplished along the way.
The best angle from which to approach a problem is the Try-angle.