Bill Clinton

The world you live in has three problems: it is too unstable, it is too unequal, and it is completely unsustainable.

I have always believed that cynicism and pessimism were cop-outs — they're an excuse to take a dive. They're self-fulfilling prophecies.

Nobody remembers the naysayers. In the end, all that endures are the builders, and in the end even the builders are forgotten and all that endures are the ripples of what they built — and that's a good thing.