Over-intellectualizing can justify practically anything. Reason has reasons that can create holocausts. In the 20th century, we have certainly seen how much killing and disaster has been championed with superb intellectual reasons.

If you are going to learn mathematics, you have to learn it not simply as an abstraction but as it is applied. I always say to teachers, for goodness sake, take the kids out first to look at the stars in order to understand infinity.

We are still a pioneer culture in some ways. A pioneer culture has to put all of its muscle into surviving on the frontier and pushing back the wilderness. So when you start to talk about imagination, inner space, and the structures of the psyche, that becomes scary.

Laughter lifts our spirits, surprises and sometime shocks our expectations, allows us to cross boundaries, reorders our priorities, and gives us access to ideas and associations we rarely ever thought to have.

If you're looking ecologically, then we are in very big trouble, yes. But if you're talking about people sinking, I'm not so sure that's true. There are cycles of rise and fall, as there have been since time immemorial.

No matter the situation, never let your emotions overpower your intelligence.

Education and the process of educating is a total integral, contextual situation which includes students, teachers, parents, administration and environment.