Here is a list of skills and qualities found in successful leaders:

Life-long learning - the desire to continue learning throughout life
Emotional intelligence - a term that encompasses soft skills, focusing on communication and interpersonal skills
Competitive Drive - the desire to keep excelling and learning, mainly fueled by competition.
High energy level
Self-awareness
Self-regulation
Motivation
Empathy
Curiosity
Commitment
Ability to see the bigger picture
Ability to learn from one's failures
Leveraging others to work to their highest potential
Looking at various solutions to a problem
Working toward a larger vision based on shared values and goals
Social skills
Risk taker - the ability to take oneself out of comfort zones
Humble self-assessor - honest assessment of one's failures, and successes, but more importantly one's failures
Open to new ideas
Good listener
The ability to challenge the process
Inspire a shared vision
Enable others to act
Integrity - possessing ambition, competence and a moral compass
Engaging others by creating shared meaning - empathy, obsessive communication

Management is doing things right; leadership is doing the right things.
~ Peter F. Drucker

Leadership is the art of getting someone else to do something you want done because he wants to do it.
~ Dwight Eisenhower

Don't tell people how to do things, tell them what to do and let them surprise you with their results.
~ George S. Patton

A good leader inspires others with confidence in him; a great leader inspires them with confidence in themselves
- Unknown

Leaders don't force people to follow-they invite them on a journey.
- Charles S. Lauer

"If you pick the right people and give them the opportunity to spread their wings-and put compensation as a carrier behind it-you almost don't have to manage them."
- Jqck Welch

Catch someone doing something right."
- Kenneth Blanchard and Spencer Johnson

"Never try to teach a pig to sing; it wastes your time and it annoys the pig."
- Paul Dickson