Hence the important thing for the student of science is to make himself undergo the strenuous toil of conceptual reflection, of thinking in the form of the notion. This demands concentrated attention on the notion as such, on simple and ultimate determinations like being-in-itself, being-for-itself, self-identity, and so on;
Hark arreta adigaian jartzea eskatzen du adigai gisa, determinazio sinpleetan, adibidez, berbaitan izatean, berbaitara ko izatean, norberaren buruarekiko berdintasunean eta abarretan; izan ere, horiek arima dei ditzakegun norberaren buruaren higidura hutsak dira, haien adigaiak horiek baino garaiagoa den zerbait izendatuko ez balu.