When the thing taken into union is perfectly adapted to that which receives it, the result is delight and pleasure and satisfaction.
Leonardo da VinciNature is constrained by the cause of her laws which dwell inborn in her. Variant: Nature is constrained by the order of her own law which lives and works within her.
Leonardo da VinciO neglectful Nature, wherefore art thou thus partial, becoming to some of thy children a tender and benignant mother, to others a most cruel and ruthless stepmother? I see thy children given into slavery to others without ever receiving any benefit, and in lieu of any reward for the services they have done for them they are repaid by the severest punishments.
Leonardo da Vinci