From infancy onward, children are the most fantastic learners in the world.

....he began to speak to me, not in the jocular way of visitors to the menagerie but rather as one speaks to the wind or to the waves crashing on a beach, uttering that which must be said but which must not be heard by anyone.

Thinkers aren't limited by what they know, because they can always increase what they know. Rather they're limited by what puzzles them, because there's no way to become curious about something that doesn't puzzle you.

In effect, you're saying that if you knew how you oughtt to live, then the flaw is man could be controlled. If you knew how you ought to live, you wouldn't be forever screwing up the world. perhaps in fact the two things are actually one thing. Perhaps the flaw in man is exactly this: that he doesn't know how he ought to live.

Blessed are those who do whatever they can wherever they are, for no one is devoid of resources or opportunities.

I hope it will not be too long before the technologies that support our population explosion begin to be perceived as no less hazardous to the future of life on this planet than the endless production of radioactive wastes.

Our schools are much like our prisons: they disappoint us because they only do what they're designed to do, and it annoys us that they don't do something else!