All invention and progress comes from finding a link between two ideas that have never met.

What we make of people, and what we see in the mirror when we look at ourselves, depends on what we know of the world, what we believe to be possible, what memories we have, and whether our loyalties are to the past, the present or the future.

The violent have been victorious for most of history because they kindled the fear with which everyone is born.

We should abolish 'work.' By that I mean abolishing the distinction between work and leisure, one of the greatest mistakes of the last century, one that enables employers to keep workers in lousy jobs by granting them some leisure time.

Nothing influences our ability to cope with the difficulties of our existence so much as the context in which we view them; the more contexts we can choose between, the less do the difficulties appear to be inevitable and insurmountable.

I think the hero in our generation is not the individual but the pair, two people who together add up to more than they are apart.

The past is what provides us with the building blocks. Our job today is to create new buildings out of them.