All that really belongs to us is time; even he who has nothing else has that.
Baltasar Gracian(1601 – 1658)
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.
Carl Sandburg(1878 - 1967)
Time is what we want most, but what we use worst.
William Penn(1644 – 1718)
Men talk of killing time, while time quietly kills them.
Dion Boucicault(1820 – 1890) an Irish actor and playwright famed for his melodramas