Freedom lies in being bold.

Authority, without any condition and reservation, belongs to the nation.

Do unto those downstream as you would have those upstream do unto you.

That which can be asserted without evidence, can be dismissed without evidence.

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

Many have had their greatness made for them by their enemies.

Airplane travel is nature's way of making you look like your passport photo.

Human decency is not derived from religion. It precedes it.

Religion is like a knife: you can either use it to cut bread, or stick in someone's back.

Moonlight is sculpture.

Dare to risk public criticism.

There is only one difference between a madman and me. The madman thinks he is sane. I know I am mad.

Don't take the wrong side of an argument just because your opponent has taken the right side.

Never accept a drink from a urologist.

Since it is difficult to join them together, it is safer to be feared than to be loved when one of the two must be lacking.

Delay always breeds danger. To protract a great design is often to ruin it.

I like to think of myself at home in the armchair, writing, smoking and occasionally wandering down the shop.

Patriotism is the last refuge of a scoundrel.

When people start asking you to do the same thing over and over again, that's when you know you're way too close to something that you don't want to be near.

Good actions ennoble us, and we are the sons of our deeds.

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.