What is your "Raison d'etre"

What is your raison d'etre (reason for being) today? every people has it right? even the corporation cannot walk without  raison d'etre. it's like a breath, that we must do it and have it to survive this every day life. 

in corporate language raison d'etre is called mission. when the new company started. they bring their  raison d'etre to start to give breath their company. for example raison d'etre for a new company is to sell their product that has made in factory. why they must do something, think something or ignore something there is raison d'etre.

raison d'etre determine people life. because its start from think. Frank outlaw wrote: 

watch your thoughts; they become words. watch your words; they become actions.watch your action; they become habits.watch your habits; they become characters.watch your characters; it becomes your destiny.

Regards,

Candidate Bachelor of Industrial Engineering