Full Idea
The new philosophy is the philosophy that thinks of the concrete not in an abstract, but in a concrete manner.
Clarification
'Concrete' means really existing, probably physically
Gist of Idea
The new philosophy thinks of the concrete in a concrete (not a abstract) manner
Source
Ludwig Feuerbach (Principles of Philosophy of the Future [1843], §31)
Book Reference
Feuerbach,Ludwig: 'Principles of the Philosophy of the Future', ed/tr. Vogel,M [Hackett 1986], p.49
A Reaction
This leads to placing a high value on art, and on virtuous action through particulars rather than principles, and on empirical science. The only problem is that what he proposes is impossible. To think 'about' is to abstract from the particulars.