Philosophy as science, as serious, rigorous, indeed apodictically rigorous science -- the dream is over.

Within this widest concept of object, and specifically within the concept of individual object, Objects and phenomena stand in contrast with each other.

What is thematically posited is only what is given, by pure reflection, with all its immanent essential moments absolutely as it is given to pure reflection.

The ideal of a pure phenomenology will be perfected only by answering this question; pure phenomenology is to be separated sharply from psychology at large and, specifically, from the descriptive psychology of the phenomena of consciousness.

Without troublesome work, no one can have any concrete, full idea of what pure mathematical research is like or of the profusion of insights that can be obtained from it.

Philosophy as science, as serious, rigorous, indeed apodictically rigorous science -- the dream is over.

We would be in a nasty position indeed if empirical science were the only kind of science possible.