The vitriol throwers and smilers with knives — John Wyndham

"Life isn't very long. You see that plainly when you begin to look at it from the other end. Not time to do very much."

"If life weren't so short it would be worth people's while to do more to put the world to rights."

"Look at us—thousands more of us every day. . . In a century or so, we shall be in the Age of Famines. We shall manage to postpone the worst one way and another, but postponement isn't solution, and when the breakdown comes there'll be something so ghastly that the hydrogen-bomb will seem humane by comparison.

I'm not romancing. I'm talking about the inevitable time when, unless we do something to stop it, men will be hunting men through ruins, for food. We're letting it drift towards that, with an evil irresponsibility, because with our ordinary short lives we shan't be here to see it. Does our generation care about the misery it is bequeathing? Not it. 'That's their worry,' we say. 'Damn our children's children; we're all right.' ... [...] Like any other animal that overbreeds we shall starve; we shall starve in our millions, in the blackest of all dark ages."