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

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

Each person is an enigma. You're a puzzle not only to yourself but also to everyone else, and the great mystery of our time is how we penetrate this puzzle.

Everything I am going to say to you is the child of a conversation. [...] That is the aspect of conversation that particularly excites me: how conversation changes the way you see the world, and even changes the world.

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.

Conversation is a meeting of minds with different memories and habits. When minds meet, they don't just exchange facts: they transform them, reshape them, draw different implications from them, engage in new trains of thought. Conversation doesn't just reshuffle the cards: it creates new cards.

Never before have humans been so ambitious, have they thought that they could be much more than their parents were.