It has become part of the accepted wisdom to say that the twentieth century was the century of physics and the twenty-first century will be the century of biology.

Life in the twentieth century is like a parachute jump: you have to get it right the first time.

Although images of perfection in people's personal lives can cause unhappiness images of perfect societies - utopian images - can cause monstrous evil. In fact forcefully changing society to conform to societal images was the greatest cause of evil in the twentieth century.

It is a shock to us in the twentieth century to discover from observations science has made that the fundamental mechanisms of life cannot be ascribed to natural selection and therefore were designed. But we must deal with our shock as best we can and go on.

The most exciting thing in the twentieth century is science.

The nineteenth century believed in science but the twentieth century does not.

The twentieth century has exhibited a barbarism and lack of respect for human life on a massive scale just about unknown before.

As I grew up I was continually to suffer hardships in different realms of life - in my family in my relationship to Japanese society and in my way of living at large in the latter half of the twentieth century.

In my opinion the most significant works of the twentieth century are those that rise beyond the conceptual tyranny of genre they are at the same time poetry criticism narrative drama etc.

Of all the men that have run for president in the twentieth century only George McGovern truly understood what a monument America could be to the human race.

Medical research in the twentieth century mostly takes place in the lab in the Renaissance though researchers went first and foremost to the library to see what the ancients had said.

Fascism is a religion. The twentieth century will be known in history as the century of Fascism.

Unquestionably it is possible to do without happiness it is done involuntarily by nineteen-twentieths of mankind.

The income tax is a twentieth-century socialist experiment that has failed. Before the income tax was imposed on us just 80 years ago government had no claim to our income. Only sales excise and tariff taxes were allowed.

One of the peculiar sins of the twentieth century which we've developed to a very high level is the sin of credulity. It has been said that when human beings stop believing in God they believe in nothing. The truth is much worse: they believe in anything.

In the nineteenth century the problem was that God is dead. In the twentieth century the problem is that man is dead.

Just as the Security Council was largely irrelevant to the great struggle of the last half of the twentieth century - freedom against Communism - so too it is largely on the sidelines in our contemporary struggles against international terrorism and the proliferation of weapons of mass destruction.

Early-twentieth-century abstraction is art's version of Einstein's Theory of Relativity. It's the idea that changed everything everywhere: quickly decisively for good.

It is not possible to overstate the influence of Paul Cezanne on twentieth-century art. He's the modern Giotto someone who shattered one kind of picture-making and invented a new one that the world followed.

Ads are the cave art of the twentieth century.

All of Koons's best art - the encased vacuum cleaners the stainless-steel Rabbit (the late-twentieth century's signature work of Simulationist sculpture) the amazing gleaming Balloon Dog and the cast-iron re-creation of a Civil War mortar exhibited last month at the Armory - has simultaneously flaunted extreme realism idealism and fantasy.