時間是你人生的硬幣，它是你唯一的硬幣，只有你能決定將怎麼使用它，要小心，以免其它人替你使用。
Time is the coin of your life. It is the only coin you have, and only you can determine how it will be spent. Be careful lest you let other people spend it for you.
by Carl Sandburg, 1878-1967)
一位三度獲得普立茲獎的詩人