everywhere known as reasonable. Not that this by any means implies uprightness and love for one's fellows. On the contrary, it is quite possible to act in the most reasonable way, that is, according to conclusions scientifically deduced, and weighed with the nicest exactitude; and yet to follow the most selfish, unjust, and even iniquitons maxims. So that never before Kant did it occur to any one to identify just, virtuous, and noble conduct with reasonable; the two lines of behaviour have always been completely separated, and kept apart.
The one depends on the kind of motivation; the other on the difference in fundamental principles. Only after Kant (because he taught that virtue has its source in Pure Reason) did the virtuous and the reasonable become one and the same thing, despite the usage of these words