Being Quote by Gottfried Leibniz

Reality cannot be found except in One single source, because of the interconnection of all things with one another. I maintain also that substances,…

— Gottfried Leibniz

I do not deny the existence of material substance merely because I have no notion of it, but because the notion of it is…

— George Berkeley

Substances are like mirrors that let us see things about ourselves that we cannot quite understand.

— James Elkins

... There must then be a principle of such a kind that its substance is activity.

— Aristotle

The actuality of all of material Nature is therefore kept out of action and that of all corporeality along with it, including the actuality…

— Edmund Husserl

The essence of who you are is ultimately mysterious, ungraspable and numinous-completely different from every other structure of matter.

— John O'Donohue

The properties which differentiate living matter from any kind of inorganic imitation may be instinctively felt, but can hardly be formulated without expert knowledge.

— Anonymous

The human body is not a thing or a substance, given, but a continuous creation.

— Norman O. Brown

The scope of material I can work with is not limited to the set of things that we inherit from nature.

— Drew Endy

Of the eternal corporeal substance (which is not producible ex nihilo, nor reducible ad nihilum, but rarefiable, condensable, formable, arrangeable, and "fashionable") the composition…

— Giordano Bruno

The biggest things in life are not materials.

— Carlos Slim

Purity is a negative state and therefore contrary to nature.

— William Faulkner