And of course you are mad, if by a madman we mean a mind that questions and rejects every civilized norm.

There comes a time when the blankness of the future is just so extreme, it's like such a black wall of nothingness. Not of bad things like a cave full of monsters and so, you're afraid of entering it. It's just nothingness, the void, emptiness and it is just horrible. It's like contemplating a future-less future and so you just want to step out of it. The monstrosity of being alive overwhelms you.

I used many times to touch my own chest and feel, under its asthmatic quiver, the engine of the heart and lungs and blood and feel amazed at what I sensed was the enormity of the power I possessed. Not magical power, but real power. The power simply to go on, the power to endure, that is power enough, but I felt I had also the power to create, to add, to delight, to amaze and to transform.

I went to Cambridge and thought I would stay there. I thought I would quietly grow tweed in a corner somewhere and become a Don or something.

Incuriosity is the oddest and most foolish failing there is.

there is no reason why anyone should understand how it works… and of course no reason why anyone should care … unless you are curious, in which case I love you, for curiosity about the world and all its corners is a beautiful thing.

It's rather splendid to think of all those great men and women who appear to have presented symptoms that allow us to describe them as bipolar. Whether it's Hemingway, Van Gogh... Robert Schumann has been mentioned... Virginia Woolf, Sylvia Plath... some of them with rather grim ends.