English to French Social Sciences Social Science, Sociology, Ethics, etc.

Self-actualization — the instinctual need of humans to make the most of their unique abilities and to strive to be the best they can be.

They embrace the facts and realities of the world (including themselves) rather than denying or avoiding them.

voilà où j'en suis mais j'ai qq doutes... merci !
Ils acceptent les faits et réalités du monde (y compris eux-mêmes) plutôt que de refuser de les admettre ou de les éviter

Running a marathon, Turning around your department, Discovering a cure.

Much of Self-actualization is achieved in the process not necessarily in the outcome.