On the one hand, there are individual actions such as throwing, pushing, touching, rubbing. It is these individual actions that give rise most of the time to abstraction from objects.

The principle goal of education in the schools should be creating men and women who are capable of doing new things, not simply repeating what other generations have done.

When you teach a child something you take away forever his chance of discovering it for himself.

Every time we teach a child something, we keep him from inventing it himself. On the other hand, that which we allow him to discover for himself will remain with him visible for the rest of his life.

Play is the work of childhood.

Children require long, uniterrupted periods of play and exploration

Children have real understanding only of that which they invent themselves, and each time that we try to teach them too quickly, we keep them from reinventing it themselves.

Play is the answer to how anything new comes about.

Intelligence is what you use when you don't know what to do.

Teaching means creating situations where structures can be discovered.

Experience precedes understanding.

A lot of people with a lot of ill gotten wealth may think that they have high net worth, but will simply never be worthy of any trust or respect.

The North Pole will be ice-free during summer in years to come, and that itself will put the Arctic Sea basin on a very high risk of... environmental disasters that might be there.

Cherish the questions, for the answers keep changing.

Guided by my heritage of a love of beauty and a respect for strength - in search of my mother's garden, I found my own.

Fear of danger is ten thousand times more terrifying than danger itself.

Any organization or any individual that targets civilians and kills them for political agenda is a terrorist organization.

I definitely hope to attend UCLA in a year, and major in business.

Good marriages are made in heaven. Or some such place.

I have very high standards for myself and my career.

When you want to be honored by others, you learn to honor them first.