If we really wish to put an end to our ongoing international and social problems we must eventually declare Earth and all of its resources as the common heritage of all the world's people.

If you think we can’t change the world, It just means you're not one of those that will

When education and resources are available to all without a price tag, there will be no limit to the human potential.

No one is born with greed, prejudice, bigotry, patriotism and hatred; these are all learned behavior patterns.

If you love someone and they want to leave, you help them pack. That's love

We are not taught to be thinkers, but reflectors of our culture. Let's teach our children to be thinkers.

We must stop constantly fighting for human rights and equal justice in an unjust system, and start building a society where equal rights are an integral part of the design.

You don't need to get rid of religion; you have to outgrow the need for it. In other words, instead of hoping for the good life, you make the good life.

We don't know how to live together on Earth, how the hell are we going to live together on Mars?

So your having trouble with your partner. Well ask yourself, if you were in a relationship with a replica of yourself how long would it last?

Opinions are very dangerous, because they aren't based on scientific studies.

The most fertile soil does not necessarily produce the most abundant harvest. It is the use we make of our faculties which renders them valuable.

Our passions are ourselves.

Intelligence augmentation decreases the need for specialization and increases participatory complexity.

Sci-fi has just become an effects-fest, and the story has taken a back seat to all that eye candy. To me, that's not really storytelling; that's just showcasing the latest gadgetry.

No man is a success in business unless he loves his work.

Men are terrified of their sexuality. They're all afraid of impotence.

It is easy to write unthinking music.

I sometimes think that the price of liberty is not so much eternal vigilance as eternal dirt.

You are young, and in love. Every young man in your position is the most miserable young man who ever lived.

Get out and find ...the country. And ourselves.