Philosophy Quotes

"All extension is the immediate object of the mind."

"To extend existence beyond the mind is to contradict the very meaning of existence."

"The objects we perceive are collections of ideas united by the mind."

"Nothing is naturally immortal but ideas; bodies are in perpetual flux."

"The essence of an object is never to be found in the object itself."

"That which exists independent of mind cannot be the object of thought."

"Every unthinking being is necessarily, and from the very nature of its existence, perceived by some mind."

"All apparent contradictions resolve when we understand that reality is mental."

"Nothing unextended can be the immediate object of thought."

"The doctrine of abstract ideas is the source of almost all the confusion in philosophy."

"To suppose any being exists without being perceived is a rank absurdity."

"The mind acts as the substratum upon which all properties depend."

"No unthinking substance can be the subject of extension."

"Nothing is more certain than that sensible objects exist only when perceived."

"All relations and abstractions are creatures of the mind."

"Extension and motion cannot be conceived without thinking of them as existing in something."

"To deny the existence of matter is to affirm the existence of truth."

"The mind perceives nothing but its own ideas."

"All philosophical errors stem from improper abstraction."

"The unity of the universe depends upon the unity of its perceiving mind."

"The human conscience has become an instrument of torture."

"Philosophy seeks eternal truths."

"To understand the world, one must first understand the principles upon which it is built."

"All things that exist do so for a reason grounded in the nature of things."

"All imperfection is merely the absence of perfection."

"Every cause must have a sufficient reason for its existence and nature."

"The principle of non-contradiction is the foundation of all thought."

"Essence and existence are ultimately one in the fullness of reality."

"The indiscernible are identical—what differs must be distinguishable."

"Evil is merely the privation of good, not a positive principle."