Either A is B or C is D,” means, “if A is not B, C is D; and if C is not D, A is B.” All hypothetical propositions, therefore, though disjunctive in … - John Stuart Mill

But the true virtue of human beings is fitness to live together as equals; claiming nothing for themselves but what they freely concede to every one else; regarding command of any kind as an exceptional necessity, and in all cases a temporary one; and preferring, whenever possible, the society of those with whom leading and following can be alternate and reciprocal.

What is now called the nature of women is an eminently artificial thing — the result of forced repression in some directions, unnatural stimulation in others.

Foresight of phenomenon and power over them depend on knowledge of their sequences, and not upon any notion we may have formed respecting their origin or inmost nature.