Life is divided into three periods: that which has been, that which is, that which will be. Of these the present is short, the future is doubtful, the past is certain.
Seneca the YoungerFor men in a state of freedom had thatch for their shelter, while slavery dwells beneath marble and gold.
Seneca the YoungerJust as so many rivers, so many showers of rain from above, so many medicinal springs do not alter the taste of the sea, so the pressure of adversity does not affect the mind of the brave man. For it maintains its balance, and over all that happens it throws its own complexion, because it is more powerful than external circumstances.
Seneca the Younger