Age is no barrier. It's a limitation you put on your mind.

- Jackie Joyner-Kersee

The only barrier to human development is ignorance, and this is not insurmountable.

- Robert H. Goddard

One day I discovered that one could get the barrier to internal rotation in ethane approximately right using this method. This was the beginning of my work on organic molecules.

- Roald Hoffmann

I feel like 'Power Rangers' as just a franchise and as a message in itself is taking down the barrier of putting a certain look to a certain thing, right?

- RJ Cyler

You know, a left-winger, the barrier to success if you're on the left in commercial radio is a mile and a half higher than it is if you're on the right.

- Robert McChesney

The only thing about kissing anyone on screen is that forced intimacy is never pleasant. If you don't want to be kissing someone, it's hard to get over that barrier, and so there's a reluctance to be that close to someone.

- Matthew Daddario

I don't really see any barrier between teenage fiction and adult literature.

- Mal Peet

Human beliefs, like all other natural growths, elude the barrier of systems.

- Miguel de Unamuno

A barrier is of ideas, not of things.

- Mark Caine

There is always someone in the world who is better or worse off than yourself, and I've never seen that - in either direction - as a barrier to becoming friends with somebody.

- Jools Holland

The Pentagon Papers case stands today as a barrier to silence by official edict.

- Anthony Lewis

I have never smuggled anything in my life. Why, then, do I feel an uneasy sense of guilt on approaching a customs barrier?

- John Steinbeck

Mountains and oceans do not furnish any impassable barrier to the extension of trade.

- Henry J. Heinz

There's been very little writing about speech impediments, even though it's this huge psychological barrier.

- David Mitchell

This is still a big barrier for me and it is for a lot of foreign actors.

- Chow Yun-Fat

There was no language barrier when it came to kids, and when it came to play.

- Connie Sellecca

The greatest obstacle to international understanding is the barrier of language.

- Christopher Dawson

For as little as a thousand dollars, you can open an account at Schwab. I mean, it's not a big barrier to entry.

- Charles Schwab

Arafat was a barrier to peace.

- Chuck Schumer

If you have a recital to do, you have to memorize the songs. I never use music when I do recitals. It produces an instant barrier, both for yourself and the audience.

- Bryn Terfel