The leading distinction in magnets is the sex, male and female, and the next great difference in them is the colour. Those of Magnesia, bordering on Macedonia, are of a reddish black; those of Breotia are more red than black; and the kind that is found in Troas is black, of the female sex, and consequently destitute of attractive power.
Pliny the ElderAccustom yourself to master and overcome things of difficulty; for if you observe, the left hand for want of practice is insignificant, and not adapted to general business; yet it holds the bridle better than the right, from constant use.
Pliny the Elder...shellfish are the prime cause of the decline of morals and the adaptation of an extravagant lifestyle. Indeed of the whole realm of Nature the sea is in many ways the most harmful to the stomach, with its great variety of dishes and tasty fish.
Pliny the ElderIndeed, what is there that does not appear marvelous when it comes to our knowledge for the first time? How many things, too, are looked up on as quite impossible until they have been actually effected?
Pliny the Elder