Ultimately, man should not ask what the meaning of his life is, but rather he must recognize that it is he who is asked. In a word, each man is questioned by life; and he can only answer to life by answering for his own life; to life he can only respond by being responsible.
And third, here´s a link to a website I discovered recently which contains a psychological test that can help you to find your personal “purpose pattern” (at work). It was created by a team around Aaron Hurst, author of The Purpose Economy. I found that some familiar MAPP faces are also associated with that project, namely “Chief Giving Officer” Adam Grant, and Job Crafting Authority Amy Wrzesniewski.