Watch your thoughts; they become words.
Watch your words; they become actions.
Watch your actions; they become habits.
Watch your habits; they become character.
Watch your character; it becomes your destiny. 
- Unknown 

Surveille tes pensées; elles deviennent tes mots. 
Surveille tes mots; ils deviennent tes actions. 
Surveille tes actions; elles deviennent tes habitudes.
Surveille tes habitudes; elles deviennent ton caractère.
Surveille ton caractère; il devient ton destin.
- Inconnu