The variety of colour in objects cannot be discerned at a great distance, excepting in those parts which are directly lighted up by the solar rays.

The eye - which sees all objects reversed - retains the images for some time.

Oysters open completely when the moon is full; and when the crab sees one it throws a piece of stone or seaweed into it and the oyster cannot close again so that it serves the crab for meat. Such is the fate of him who opens his mouth too much and thereby puts himself at the mercy of the listener.

We are deceived by promises and time disappoints us.

Feathers shall raise men even as they do birds towards heaven :- That is by letters written with their quills.

Anyone who conducts an argument by appealing to authority is not using his intelligence; he is just using his memory.

Happy will they be who lend ear to the words of the dead.