Sex Activity

Some leading scientific investigators have announced their belief that in the formation of crystals there was to be found something that corresponded to "sex-activity" which is another straw showing the direction the scientific winds are blowing. ❋ Three Initiates (N/A)

It is as follows: the natural tendency of any function to increase in power by use causes sex-activity to increase under the action of sexual selection. ❋ Unknown (1898)

Where the female finds her economic environment in the male, and her economic advantage is directly conditioned upon the sex-relation, the force of natural selection is added to the force of sexual selection, and both together operate to develope sex-activity. ❋ Unknown (1898)

In every race and time where she is denied this opportunity, – and few, indeed, have been her years of freedom, – she has developed in the lines of action to which she was confined; and those were always lines of sex-activity. ❋ Unknown (1898)