Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

The key to nudge is to make it easy for people to make better choices.

Every story is a lie, but some lies are more true than others.

The world is indeed full of peril, and in it there are many dark places; but still there is much that is fair, and though in all lands love is now mingled with grief, it grows perhaps the greater.