Disagreement produces debate but dissent produces dissension.

The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.

Some are born great, some achieve greatness, and some hire public relations officers.

The traveler was active; he went strenuously in search of people, of adventure, of experience. The tourist is passive; he expects interesting things to happen to him. He goes 'sight-seeing.'

Human models are more vivid and more persuasive than explicit moral commands.

The courage to imagine the otherwise is our greatest resource, adding color and suspense to all our life.

Freedom means the opportunity to be what we never thought we would be.

I write to discover what I think.

Knowledge is not simply another commodity. On the contrary. Knowledge is never used up. It increases by diffusion and grows by dispersion.

Technology is so much fun but we can drown in our technology. The fog of information can drive out knowledge.

We suffer primarily not from our vices or our weaknesses, but from our illusions. We are haunted, not by reality, but by those images we have put in their place.

If they don't like you for who you are, it means they're not meant to be in your life.

Knowledge has no enemy except an ignorant man.

The new Haitian baseball can't weigh more than four ounces or less than five.

Some people only ask others to do something. I believe that, why should I wait for someone else? Why don't I take a step and move forward.

I remember just how afraid I was. I was just as much afraid of the treatment as the diagnosis. So I thought I could talk about it in an authentic way.

For me, poetry is an impish attempt to paint the colour of the wind.

Nothing is so aggravating as calmness. There is something positively brutal about the good temper of most modern men.

Man is the product of two forces, action and reaction, which make him think.

We [US] can't compete with low-wage countries in different parts of the world. We cannot compete with countries that play games with currencies or regulations. We can't. We shouldn't.

There were no words, and no movements but the tearing of teeth and claws.