You cannot achieve someone else's goals.
It might interest you to know that the 1828 Noah Webster Dictionary identifies the optimist in complimentary terms, but says nothing about the pessimist. The word 'pessimist' was not in our vocabulary at that time. It's a modern 'invention' which I believe we should 'dis-invent.'
Failure doesn't come from falling down, failure comes from not getting up
People don't buy drills they buy holes
Ask yourself a question: Is my attitude worth catching?
If you don't like your situation in life, don't fret or worry--do something about it. Worry less, and act more.