You cannot predict the outcome of human development. All you can do is like a farmer create the conditions under which it will begin to flourish.

Imagination is the primary gift of human consciousness.

If you're afraid to be wrong you'll never do anything creative.

A three-year-old is not half a six-year-old.

Teaching is a creative profession, not a delivery system. Great teachers do [pass on information], but what great teachers also do is mentor, stimulate, provoke, engage.

Somewhere in, I think, the back of the mind of some [education] policy makers is this idea that if we fine-tune it well enough, if we just get it right, it will all hum along perfectly into the future. It won't, and it never did.

If you're not prepared to be wrong, you're not prepared to be original.