If you want to be trusted, be trustworthy.

Interdependent people combine their own efforts with the efforts of others to achieve their greatest success.

Management is efficiency in climbing the ladder of success; leadership determines whether the ladder is leaning against the right wall.

we're responsible for our own lives.

Actually I did not invent the seven habits, they are universal principles and most of what I wrote about is just common sense. I am embarrassed when people talk about the Covey Habits, and dislike the idea of being some sort of guru.

Principles are deep fundamental truths... lightly interwoven threads running with exactness, consistency, beauty and strength through the fabric of life.

The only person over whom you have direct and immediate control is yourself. The most important assets to develop, preserve and enhance, therefore, are your own capabilities. And no one can do it for you. You must cultivate the habit of leadership effectiveness for yourself - and doing so will be the single best investment you will ever make.