She knew from a young age that her sole 'purpose' (in life) was to be a writer. [=she knew that all she wanted (in life) was to be a writer]
We were happy to know that the money was being used 'for a good purpose'. [=for something useful, important, etc.]
There's little/no 'purpose' in restarting the process. [=there is little/no reason to start the process again]
(..) You know... if you think about the very nature of life... I mean, from the very begining... The development of the first cell...divided into two cells. This whole purpose of life has been passed on what was learned. There's no higher purpose. pass it on, just like any simple cell, (..)2014 Lucy
(..) Oops!!! You gonna sell this? I'm afraid it's our business model. And its going thru' time, seems to be also the only real purpose of each of the cell in our bodies. To achieve that aim, the mass of the cell that make up earth worm and human beings has only solutions. Be a mortal... (..)2014 Lucy