Los 7 hábitos de la gente altamente efectiva, de Stephen Covey

Habit 1 : Be proactive.

Habit 2 : Begin with the end in mind.

Habit 3 : Put first things first.

Habit 4 : Think win-win.

Habit 5 : Seek first to understand, then to be understood.

Habit 6 : Synergize.

Habit 7 : Sharpen the saw.