O time, swift robber of all created things, how many kings, how many nations hast thou undone, and how many changes of states and of various events have happened since the wondrous forms of this fish perished here in this cavernous and winding recess. Now destroyed by time thou liest patiently in this confined space with bones stripped and bare; serving as a support and prop for the superimposed mountain.

Necessity is the mistress and guide of nature.

Fire destroys falsehood, that is sophistry, and restores truth, driving out darkness.

The Medici created and destroyed me.

Truth was always but the daughter of time.

O Time! consumer of all things; O envious age! thou dost destroy all things and devour all things with the relentless teeth of years, little by little in a slow death. Helen, when she looked in her mirror, seeing the withered wrinkles made in her face by old age, wept and wondered why she had twice been carried away.

You don't get into trouble because of the things you don't know. It is the things you don't know you don't know that really get you into a mess.