observation Quotes

Some animals dig in the ground; others don't. Some animals are active at night, like the owl and bat; others are active during the day. There are tame animals and wild animals. Humans and mules are always tame; leopards and... ...

The weak are always anxious for justice and equality. The strong pay no heed to either.

Concerning the generation of animals akin to them, as hornets and wasps, the facts in all cases are similar to a certain extent, but are devoid of the extraordinary features which characterize bees; this we should expect, for they have... ...

Salt water when it turns into vapour becomes sweet, and the vapour does not form salt water when it condenses again. This I know by experiment. The same thing is true in every case of the kind: wine and all... ...

Young men have strong passions and tend to gratify them indiscriminately. Of the bodily desires, it is the sexual by which they are most swayed and in which they show absence of control...They are changeable and fickle in their desires... ...

There is more evidence to prove that saltness [of the sea] is due to the admixture of some substance, besides that which we have adduced. Make a vessel of wax and put it in the sea, fastening its mouth in... ...

All flatterers are mercenary, and all low-minded men are flatterers.

When a draco has eaten much fruit, it seeks the juice of the bitter lettuce; it has been seen to do this.

If you would understand anything, observe its beginning and its development

If you see a man approaching with the obvious intent of doing you good, run for your life. Consider pleasures as they depart, not as they come.