#ontology

We cannot treat mental concepts as if they were physical objects.

From The Concept of Mind by Gilbert Ryle

The question of Being is the most fundamental question.

From Being and Time by Martin Heidegger

To be is to be perceived.

From At the Existentialist Café by Sarah Bakewell

The more perfect a thing is, the more it has reality.

From The Philosophical Writings of Descartes by René Descartes

We are ourselves the entities to be analyzed.

From Being and Time by Martin Heidegger

Being is the indeterminate immediacy.

From The Phenomenology of Spirit by G.W.F. Hegel