Pouring forth its seas everywhere, then, the ocean envelops the earth and fills its deeper chasms.
Nicolaus Copernicus

In so many and such important ways, then, do the planets bear witness to the earth's mobility.
Nicolaus Copernicus

Heaven cannot brook two suns, nor earth two masters.
Alexander the Great

What atonement is there for blood spilt upon the earth?
Aeschylus

'Beauty is truth, truth beauty,' - that is all ye know on earth, and all ye need to know.
John Keats

In theory one is aware that the earth revolves, but in practice one does not perceive it, the ground upon which one treads seems not to move, and one can live undisturbed. So it is with Time in one's life.
Marcel Proust

Roll on, deep and dark blue ocean, roll. Ten thousand fleets sweep over thee in vain. Man marks the earth with ruin, but his control stops with the shore.
Lord Byron

The creations of a great writer are little more than the moods and passions of his own heart, given surnames and Christian names, and sent to walk the earth.
William Butler Yeats

Men of genius are often dull and inert in society; as the blazing meteor, when it descends to earth, is only a stone.
Henry Wadsworth Longfellow

It's only when we truly know and understand that we have a limited time on earth - and that we have no way of knowing when our time is up, we will then begin to live each day to the fullest, as if it was the only one we had.
Elisabeth Kubler-Ross

Dying is something we human beings do continuously, not just at the end of our physical lives on this earth.
Elisabeth Kubler-Ross

Purity and simplicity are the two wings with which man soars above the earth and all temporary nature.
Thomas Kempis

There is no security on this earth; there is only opportunity.
Douglas MacArthur

The power of population is indefinitely greater than the power in the earth to produce subsistence for man.
Thomas Malthus

I do not know that any writer has supposed that on this earth man will ultimately be able to live without food.
Thomas Malthus

No limits whatever are placed to the productions of the earth; they may increase forever.
Thomas Malthus

Like a welcome summer rain, humor may suddenly cleanse and cool the earth, the air and you.
Langston Hughes

The poetry of the earth is never dead.
John Keats

There is hardly a man on earth who will take advice unless he is certain that it is positively bad.
John Burroughs

All places are alike, and every earth is fit for burial.
Christopher Marlowe