It is not enough to criticize society without offering a workable alternative.

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.

Keep Trying is what it means to resolve to do something.

History existed to be retold, with more panache but not necessarily greater accuracy.

If we give someone a piece of bread and butter, that's kindness, but if we put jelly or peanut butter on it, then it's Loving Kindness.

The fact of evolution is the backbone of biology, and biology is thus in the peculiar position of being a science founded on an improved theory, is it then a science or faith?

I joined the board of the Santa Fe Institute.

There's something honorable about holding out for love and not breaking up for the sake of the baby. I see people get divorced, and there is a part of me that thinks, I wonder how hard they tried?

Dying ain't important. Everyone does that. What's important is how well you do your living.

If you stop one terror attack in the U.S., it may be connected to multiple other plots out there that are connected. If you reveal that you stopped one plot, it may tip our hand.

The most touching thing that anyone can say to me is that I have done something beautiful for the community.

Art Objects is important not only as a plea to the public to read serious literature and to read it seriously, but it is a terrific book of instruction about writing.