One of my seminars is “Leadership in the 20th century: How…

The 20th century was the time when the world turned to use of fossil fuels and the 21st century will be the century of…

— Lester R. Brown

The 19th century was a century of empires, the 20th century was a century of nation states. The 21st century will be a century…

— Wellington Webb

In the 20th century, we had a century where at the beginning of the century, most of the world was agricultural and industry was…

— David Gerrold

I don't know if I change my act from century to century. Sometimes I'm onstage doing imitations and references to people who have been…

— Gilbert Gottfried

He lives century after century, and the test I set for him he has passed.

— Meera

The world is a colony of the US. The twentieth century was the US's century.

— Bill Henson

I think the next century will be the century of complexity.

— Stephen Hawking

The 19th century was the century of empires, the 20th was the century of nation states, and the 21st is the century of cities…

— Sadiq Khan

“If a blanket could be used to keep one person warm, then it stands to reason that all the blankets in the world are…

— Jarod Kintz

“What makes a good leader? I ask myself this every day, and then as I begin to list off characteristics I realize I’m describing…

— Jarod Kintz

I've studied the lives of the 20th century's great businessmen and concluded self-confidence was instrumental in all their success.

— Alex Spanos

The 20th century has been marked by cynicism, selfishness, greed, and the desire to please, all without changing the status quo. In the 21st…

— Óscar Arias

America thrived in the 20th century because we made high school free. We sent a generation to college. We cultivated the most educated workforce…

— Barack Obama

Corporate America is a 20th-century dinosaur, trembling on the edge of extinction, and the only way for you to have a genuinely secure future…

— Robert Kiyosaki

I think the inhabitants of the past are fighting hard to keep the rents they acquired in the 20th century.

— Michael Bennet