Men must always have distinguished (e.g. in judicial matters) between hearsay and seeing with one's own eyes and have preferred what one has seen to what he has merely heard from others. But the use of this distinction was originally limited to particular or subordinate matters. As regards the most weighty matters the first things and the right way the only source of knowledge was hearsay.

The emancipation of the scholars and scientists from philosophy is according to [Nietzsche] only a part of the democratic movement, i.e. of the emancipation of the low from subordination to the high. ... The plebeian character of the contemporary scholar or scientist is due to the fact that he has no reverence for himself.

History teaches us that a given view has been abandoned in favor of another by all men, or by all competent men, or perhaps by only the most vocal men; it does not teach us whether the change was sound or whether the rejected view deserved to be rejected. Only an impartial analysis of the view in question, an analysis that is not dazzled by the victory or stunned by the defeat of the adherents of the view concerned - could teach us anything regarding the worth of the view and hence regarding the meaning of the historical change.

All political action aims at either preservation or change. When desiring to preserve, we wish to prevent a change for the worse; when desiring to change, we wish to bring about something better. All political action is then guided by some thought of better or worse.

Education, they [philosophers] felt, is the only answer to the always pressing question, to the political question par excellence, of how to reconcile order which is not oppression with freedom which is not license.

By realizing that we are ignorant of the most important things, we realize at the same time that the most important thing for us, or the one thing needful, is quest for knowledge of the most important things or quest for wisdom.

God is therefore unknowable. This is the fundamental premise of the Bible.