There are frontiers to the mind which, once crossed…

Few topographical boundaries can rival the frontiers of the mind.

— Salman Rushdie

The law of dislike for the unlike will always prevail. And whereas the unlike is normally situated at a safe distance, the Jews bring…

— Israel Zangwill

Love of one's country recognizes no frontiers... of other countries.

— Stanislaw Jerzy Lec

There [in Afghanistan] is also a growing insurgency threat from al-Qaida, the Taliban and other extremist elements, some of which comes from the tribal…

— David Petraeus

Liberty has restraints but no frontiers.

— David Lloyd George

The frontier of America is on the Rhine.

— Franklin D. Roosevelt

The frontiers we broke into in the '60s are still largely unexplored.

— Ken Kesey

Up to the 20th century, we can say that this whole period was an Earth epoch, 'Earth' meaning the riches of the earth, simple…

— Lech Walesa

If he were allowed contact with foreigners he would discover that they are creatures similar to himself and that most of what he has…

— George Orwell

Fuehrer, we are on the march! Victorious Italian troops crossed the Greco-Albanian frontier at dawn today!

— Benito Mussolini

I believe that the manned space program can engage the public by advancing the space frontier. Every next mission takes you farther out in…

— Neil deGrasse Tyson

In Russia there is an emigration of intelligence: émigrés cross the frontier in order to read and to write good books. But in doing…

— Friedrich Nietzsche

Melissa McCarthy just opened this new movie, 'Identity Thief,' and Rex Reed, who's a known critic, wrote a scathing commentary on her weight. I…

— Josh Gad

A monkey is unaware that atoms exist. Likewise, our brainpower may not stretch to the deepest aspects of reality. The bedrock nature of space…

— Martin Rees

I just think music is one of those frontiers where people really want the "I" to be you.

— Regina Spektor