If you don't know where you're going,
any road will take you there.
- Lewis Carroll (Alice in Wonderland)
One's destination is never a place
but rather a new way of looking at things.
- Henry Miller
More men fail through lack of purpose than lack of talent.
- Billy Sunday
Destiny is not a matter of chance,
It is a matter of choice.
It is not something to be waited for,
But rather something to be achieved.
- William Jennings Bryan
Further reading: How to Choose Your Life Purpose
A Truly Successful Life
To Serve
Where Are You Going?