A human being has so many skins inside, covering the depths of the heart. We know so many things, but we don't know ourselves! Why, thirty or forty skins or hides, as thick and hard as an ox's or bear's, cover the soul. Go into your own ground and learn to know yourself there.
Meister Eckhart

A journey of four hundred and thirty miles can be made in any part of the United States, but in Turkey it takes as many days.
Ellsworth Huntington

A man who views the world the same at fifty as he did at twenty has wasted thirty years of his life.
Muhammad Ali

After thirty, a body has a mind of its own.
Bette Midler

All that I know I learned after I was thirty.
Georges Clemenceau

And so, at the age of thirty, I had successively disgraced myself with three fine institutions, each of which had made me free of its full and rich resources, had trained me with skill and patience, and had shown me nothing but forbearance and charity when I failed in trust.
Simon Raven

And, over the last thirty years we have seen men's participation in both housework and childcare has increased and women's have stayed at about the same.
James Levine

At sixty, I know little more about wisdom than I did at thirty, but I know a great deal more about folly.
Mason Cooley

At twenty a man is a peacock, at thirty a lion, at forty a camel, at fifty a serpent, at sixty a dog, at seventy an ape, at eighty a nothing at all.
Baltasar Gracian

At twenty years of age the will reigns; at thirty, the wit; and at forty, the judgment.
Benjamin Franklin

Doctors tell me I have the body of a thirty year old. I know I have the brain of a fifteen year old. If you've got both, you can play baseball.
Pete Rose

Don't trust anyone over thirty.
Jerry Rubin

Everything I know I learned after I was thirty.
Georges Clemenceau

Everything we did was criticized. For about thirty years we lived with the world against us, accusing us of things we didn't do!
Ian Smith

Focus on your problem zones, your strength, your energy, your flexibility and all the rest. Maybe your chest is flabby or your hips or waist need toning. Also, you should change your program every thirty days. That's the key.
Jack LaLanne

For almost thirty years I repeatedly saw one and the same dream: I would arrive in Vienna at long last. I would feel really happy, for I was returning to my serene childhood.
Alfred Schnittke

For me to go back and to play for audiences some of whom have been following me for thirty years and some who have found me in the last five or six years, that's really an interesting thing. I have an audience that goes from kids to seventy year olds.
David Cassidy

For the last thirty years in my career I never know what I'm doing next.
Joe Mantegna

For thirty years, beginning with the invention of a privacy right in the Supreme Court decision Roe v. Wade, the Left has been waging a systematic assault on the constitutional foundation of the nation.
David Horowitz

Grant me thirty years of equal division of inheritances and a free press, and I will provide you with a republic.
Alexis de Tocqueville