One finds limits by pushing them.

A wealth of information creates a poverty of attention.

Learning results from what the student does and thinks, and only from what the student does and thinks. The teacher can advance learning only by influencing the student to learn.

Solving a problem simply means representing it so as to make the solution transparent.

Enlightenments, like accidents, happen only to prepared minds.

The proper study of mankind is the science of design.

Learning is any change in a system that produces a more or less permanent change in its capacity for adapting to its environment.

The engineer, and more generally the designer, is concerned with how things ought to be - how they ought to be in order to attain goals, and to function.

Human beings know a lot of things, some of which are true, and apply them. When we like the results, we call it wisdom.

Innovation has a lot to do with your ability to recognise surprising and unusual phenomena.

Everyone designs who devises courses of action aimed at changing existing situations into preferred ones.

In math, you could get 100 percent. It was very fair. That's what I liked about math. You could figure it out, and the teacher couldn't have a stupid opinion about it.

I'm a comic, so I like to stay nocturnal. I work 10 p.m. to 1 a.m.

Fear and anxiety were exploited by zealots and fools.

If you have a sweet tooth, you'll have a sweet mouth when you're done, because all your teeth are going to be sweet.

You break into my house, I will shoot you. My wife will shoot you and then spend thirty minutes telling you why she shot you.

Greatness is defined by someone who is not simply awesome and wonderful in the sport they compete in but goes beyond that and is great in whatever they do off the track or off the court.

All good biography, as all good fiction, comes down to the study of original sin, of our inherent disposition to choose death when we ought to choose life.

...what I can do is offer myself, wholehearted and present, to walk with the people I love through the fear and the mess. That's all any of us can do. That's what we're here for.

Giving is the secret of abundance.

Political elections are a good deal like marriages, there's no accounting for anyone's taste.