Necessity, the mother of invention.
William Wycherley
Necessity is not an established fact, but rather an interpretation.
Friedrich Nietzsche
Our necessities never equal our wants
Benjamin Franklin
Necessity reconciles and brings men together; and this accidental connection afterwards forms itself into laws
Michel de Montaigne
An extravagance is something that your spirit thinks is a necessity.
Bern Williams
All real freedom springs from necessity, for it can be gained only through the exercise of the individual will, and that will can be roused to energetic action only by the force of necessity acting upon it from the outside to spur it to effort.
Anna C. Brackett
Money is not required to buy one necessity of the soul.
Henry David Thoreau
We never understand how little we need in this world until we know the loss of it.
Sir James Matthew Barrie
There came into the world an unlimited abundance of everything people need. But people need everything except unlimited abundance.
Karel Čapek
Everywhere the human soul stands between a hemisphere of light and another of darkness on the confines of two everlasting hostile empires, Necessity and Free Will.
Thomas Carlyle
Make a virtue of necessity.
Robert Burton
Luxury, nowadays, is ruinous. We criticize, but must conform, and superfluities in the end deprive us of necessities.
Pierre Ambroise Franois Choderlos de Laclos
There is no doubt that we cannot do without variable quantities in the sense of the potential infinite. But from this very fact the necessity of the actual infinite can be demonstrated.
Georg Ferdinand Ludwig Philipp Cantor