The Basis of Morality by Part 3 Chapter 8 Page 43

bodily toil, which for the race as a whole is inevitable, leaves no time for mental culture. Whereas, in order to awaken that sense, which has been proved to be the sole source of disinterested action, and consequently the true basis of Morals, there is no need of abstract knowledge, but only of intuitive perception, of the simple comprehension of a concrete case. To this Compassion is at once responsive, without the mediation of other thoughts.

(9) The following circumstance will be found in complete accord with the last paragraph. The foundation, which I have given to Ethics, leaves me without a forerunner among the School Philosophers; indeed, my position is paradoxical, as far as their teaching goes, and many of them, for instance, the Stoics (Seneca, De Clementia, II., 5), Spinoza (Ethica, IV.