Death is the ultimate boundary of human matters.

“There is no boundary to the human mind’s capacity to deceive its very owner.”

— Al Zelczer

Whether you're black or white, you're a human - and that's what matters.

— David Bryan

“What matters is the need to move from the rigidity of national stereotypes towards something more truly human; what matters is to discover the…

— Vasily Grossman

Boundary lines, of any type, are never found in the real world itself, but only in the imagination of the mapmakers.

— Ken Wilber

Does something which exists on the edge have no true relevance to the stable center, or does it, by being on the edge, become…

— Lucy Grealy

Man, there's no boundary line to art!

— Charlie Parker

It's very difficult to know when you're crossing the boundary. I hate the word boundary because I never think about it when taking a…

— Carine Roitfeld

“A healthy boundary creates controlled vulnerability.”

— Pia Mellody

No one can cross the boundary into another -- for the simple reason that no one can gain access to himself

— Paul Auster

A boundary is not that at which something stops, but that from which something begins.

— Martin Heidegger

“Setting a boundary” means protecting your joy and well-being by telling someone to stop a harmful behavior. Practice setting a boundary try saying: “I…

— Lauren Martin

“You can only exceed your limits if you’ve discovered them.”

— Roel van Sleeuwen

Boundary, n. In political geography, an imaginary line between two nations, separating the imaginary rights of one from the imaginary rights of another.

— Ambrose Bierce

Only if you reach the boundary will the boundary recede before you. And if you don't, if you confine your efforts, the boundary will…

— Hugh Nibley

The boundary of man is moderation. When once we pass that pale our guardian angel quits his charge of us.

— Owen Feltham