Martin Buber says Paul sees faith as the only condition of salvation so that personal holiness and salvation become the sole concern, and the sphere of the person is separated from that of public affairs.10 (religion-online.org)
The sole concern of mathematics is the inference of proposition from proposition. (religion-online.org)
Teachers and pupils do not judge the desirability of various studies and learning activities by the pleasure, comfort, or satisfaction they yield; their sole concern is for the contribution made to the development of right habits of thought and conduct. (religion-online.org)