Where are we and should we hang in there?

My dad would often tell me to 'hang in there". I figure that might be pretty good advice. On the other hand it might depend on where "there" is?

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Tenacity is a pretty fair substitute for bravery, and the best form of tenacity I know is expressed in a Danish fur trapper's principle" "The next mile is the only one a person really has to make."” Eric Sevareid

“To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment.” Ralph Waldo Emerson

"Make the most of yourself, for that is all there is of you.” Ralph Waldo Emerson

"Success seems to be largely a matter of hanging on after others have let go" William Feather