however long we have to live, there are never enough springs.

The art of communication is the language of leadership.

Dream as if you'll live forever. Live as if you'll die today.

The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.

If you set your goals ridiculously high and it's a failure, you will fail above everyone else's success.

Every time you have to speak, you are auditioning for leadership.

A river cuts through rock, not because of its power, but because of its persistence.

One of the hardest things in life is having words in your heart that you can't utter.

People trample over flowers, yet only to embrace a cactus.

The great appear great to us.

The Irish people will only be free, when they own everything from the plough to the stars

I ran my fastest marathon in the rain.

A life filled with silly social drama and gossip indicates that a person is disconnected from purpose and lacking meaningful goals. People on a path of purpose don't have time for drama.

When I'm drinking around people, I tend to get silly or pugnacious or wild, which can cause problems.

Music became a healer for me. And I learned to listen with all my being. I found that it could wipe away all fear and confusion.

We can only penetrate the rind of the earth.

I think Americans like the practical; they like the human. And I like both those things myself, and I try and put them into my books.

Consider the postage stamp: its usefulness consists in the ability to stick to one thing till it gets there.

The cultivation of the mind is a kind of food supplied for the soul of man.

During one of my treks through Afghanistan, we lost our corkscrew. We were compelled to live on food and water for several days.