On the other hand, for the whole human being who wills, feels, and represents, external reality is given simultaneously and with as much certitude as his own self.

The knife of historical relativism... which has cut to pieces all metaphysics and religion must also bring about healing.

If there were a science of human beings it would be anthropology that aims at understanding the totality of experience through structural context.

The existence of inherent limits of experience in no way settles the question about the subordination of facts of the human world to our knowledge of matter.

If we conceive all the changes in the physical world as reducible to the motion of atoms, motions generated by means of the fixed nuclear forces of those atoms, the whole of the world could thus be known by means of the natural sciences.

The sciences which take socio-historical reality as their subject matter are seeking, more intensively than ever before, their systematic relations to one another and to their foundation.

The individual always realizes only one of the possibilities in his development, which could always have taken a different turning whenever he had to make an important decision.