Does not the discipline of the scientific spirit just commence when one no longer harbours any conviction?

You never exist quite so much as when you are not thinking

The way to transmute your iron duty into gold in everyone's eyes is this: always deliver more than you promise.

At a certain place in Beethoven's Ninth Symphony, for example, he might feel that he is floating above the earth in a starry dome, with the dream of immortality in his heart; all the stars seem to glimmer around him, and the earth seems to sink ever deeper downwards.

All philosophy is a form of confession.

What is new, however, is always evil, being that which wants to conquer and overthrow the old boundary markers and the old pieties; and only what is old is good. The good men are in all ages those who dig the old thoughts, digging deep and getting them to bear fruit - the farmers of the spirit. But eventually all land is depleted, and the ploughshare of evil must come again and again.

Thus strength is afforded by good and thorough customs, thus is learnt the subjection of the individual, and strenuousness of character becomes a birth gift and afterwards is fostered as a habit.