Concentration is at the root of mental mastery.

Associate only with positive, focused people who you can learn from and who will not drain your valuable energy with uninspiring attitudes. By developing relationships with those committed to constant improvement and the pursuit of the best that life has to offer, you will have plenty of company on your path to the top of whatever mountain you seek to climb.

Measure the success of your days by the lives touched vs the hours passed.

If you're not scared a lot you're not doing very much.

There's a cure for aging that no one talks about. It's called learning.

Basically, to lead without a title is to derive your power within the organisation not from your position but from your competence, effectiveness, relationships, excellence, innovation and ethics.

Blaming others is excusing yourself.