Philosophers, as things now stand, are all too fond of offering criticism from on high instead of studying and understanding things from within.

Pure phenomenology claims to be the science of pure phenomena. This concept of the phenomenon, which was developed under various names as early as the eighteenth century without being clarified, is what we shall have to deal with first of all.

To every object there correspond an ideally closed system of truths that are true of it and, on the other hand, an ideal system of possible cognitive processes by virtue of which the object and the truths about it would be given to any cognitive subject.

Philosophers, as things now stand, are all too fond of offering criticism from on high instead of studying and understanding things from within.

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

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.

To begin with, we put the proposition: pure phenomenology is the science of pure consciousness.