A 2002 Oxford study showed counting sheep actually delays the onset of sleep. It's just too dull to stop us from worrying about jobs and spouses.

Cities have the capability of providing something for everybody, only because, and only when, they are created by everybody.

Streets and their sidewalks-the main public places of a city-are its most vital organs.

Designing a dream city is easy; rebuilding a living one takes imagination.

There is no logic that can be superimposed on the city; people make it, and it is to them, not buildings, that we must fit our plans.

Intricate minglings of different uses in cities are not a form of chaos. On the contrary, they represent a complex and highly developed form of order.

While you are looking, you might as well also listen, linger and think about what you see.

The ballet of the good city sidewalk never repeats itself from place to place, and in any one place is always replete with new improvisations.

This is something everyone knows: A well-used city street is apt to be a safe street. A deserted city street is apt to be unsafe.

People must take a modicum of public responsibility for each other even if they have no ties to each other.

This is what a city is, bits and pieces that supplement each other and support each other.

Even rational, data-driven scientists could be sent into prolonged states of hysteria when presented with evidence that their favorite foods might be killing them.

We are respecting our parents' wishes....They didn't want to shelter us from the world's treacheries. They wanted us to survive them.

We may be finished with the past but the past is not finished with us.

Investing in innovation, which was my broad theme talking to [Warren Buffett ], that included health vaccines, it included energy and education.

I don't praise my people. I am their greatest critic.

The only way to go beyond your fears is to grow beyond them and that always means challenging, overcoming and learning from them.

All of a sudden you realise that you are the person who has control of your life.

You will find that reason, which always ought to direct mankind, seldom does; but that passions and weaknesses commonly usurp itsseat, and rule in its stead.

People will never forget how you made them feel.