...words, those races of beings only can have survived in which, on the average, agreeable or desire! feelings went along with activities conducive to the maintenance of life, while disagreeable and habitually-avoided feelings went along with activities directly or indirectly destructive of life ;...

...persistence in the injurious and avoidance of the beneficial. In other words, those races of beings only can have survived in which, on the average, agreeable...life ; and there must ever have been, other things equal, the most numerous and long -continued survivals among races in which these adjustments of feelings...

...be found, according to Herbert Spencer, in the theory of evolution. "Those races of beings only can have survived in which, on the average, agreeable...maintenance of life, while disagreeable and habitually -a voided feelings went along with activities directly or indirectly destructive of life " (Princip....

...along with activities conducive to the maintenance of life, while disagreeable and habitually-avoided feelings went along with activities directly or indirectly...destructive of life; and there must ever have been, other thing! equal, the most numerous and long-continued survivals among races in which these adjustments...

...maintenance of life, while disagreeable and habitually-avoided feelings went along with activities direct); or indirectly destructive of life; and there must ever have been, other things equal, the most numerous and long-continued survivals among races m which these adjustments of feelings...

...persistence in the injurious and avoidance of the beneficial. In other words, those races of beings only can have survived in which, on the average, agreeable...feelings went along with activities conducive to the inuintrmince of life, while disagreeable and habitually-avoided feelings went along with activitie•...

...persistence in the injurious and avoidance of the beneficial. In other words, those races of beings only can have survived in which, on the average, agreeable...to the maintenance of life, while disagreeable and habituallyavoided feelings went along with activities directly or indirectly destructive of life ;...

...persistence in the injurious and avoidance of the beneficial. In other words, those races of beings only can have survived in which, on the average, agreeable...to the maintenance of life, while disagreeable and habitually-avoided feelings went along with activities directly or indirectly destructive of life;...

...persistence in the injurious and avoidance of the beneficial. In other words, those races of beings only can have survived in which, on the average, agreeable...to the maintenance of life, while disagreeable and habitually-avoided feelings went along with activities directly or indirectly destructive of life;...

...persistence in the injurious and avoidance of the beneficial. In other words, those races of beings only can have survived in which, on the average, agreeable...to the maintenance of life, while disagreeable and habituallyavoided feelings went along with activities directly or indirectly destructive of life; and...