Perusing some very readable essays by Henri Bergson, The creative mind: an introduction to metaphysics. Thinking immanence through space:
Reality, as immediately perceived, is fullness constantly swelling out, to which emptiness is unknown. It has extension just as it has duration; but this concrete extent is not the infinite and infinitely divisible space the intellect takes as a place in which to build. Concrete space has been extracted from things. They are not in it; it is space which is in them. Only, as soon as our thought reasons about reality, it makes space a receptacle.