A good traveller has no fixed plans, and is not intent on arriving.

Central banks don't have divine wisdom. They try to do the best analysis they can and must be prepared to stand or fall by the quality of that analysis.

How vain it is to sit down to write when you have not stood up to live.

Memory... is an internal rumour.

Any product that needs a manual to work is broken.

Never lend your car to someone you've given birth to.

Those who hammer their guns into plows, will plow for those who do not.

Parents are usually more careful to bestow knowledge on their children rather than virtue, the art of speaking well rather than doing well; but their manners should be of the greatest concern.

A lie never lives to be old.

There is no limit to the amount of good you can do if you don't care who gets the credit.

There's real poetry in the real world. Science is the poetry of reality

I love Madrid. I am happy to be here. I have been here three years and hope to be here longer. But I am proud of where I come from and never forget the people I grew up with.

It is a process of diverting one's scattered forces into one powerful channel.

An intellectual is a man who doesn't know how to park a bike.

Do it again on the next verse, and people think you meant it.

Being an intellectual creates a lot of questions and no answers.

Common looking people are the best in the world: that is the reason the Lord makes so many of them.

When you get to a certain age, there is no coming back.

I can bear any pain as long as it has meaning.

Even if you are divine, you don't disdain male consorts.

No flying machine will ever fly from New York to Paris.