Understanding is a kind of ecstasy

The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.

Are we an exceptionally unlikely accident or is the universe brimming over with intelligence? (It's) a vital question for understanding ourselves and our history,

Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.

Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.

... the use of our intelligence quite properly gives us pleasure. In this respect the brain is like a muscle. When we think well, we feel good. Understanding is a kind of ecstasy.