시간
결국 이기는 것은 인내와 시간이다.
- "The two most powerful warriors are patience and time." — Leo Tolstoy, War and Peace (1869)
- "Confine yourself to the present." — Marcus Aurelius, Meditations, Book VII (c. 170 AD)
- "Lost time is never found again." — Benjamin Franklin, Poor Richard's Almanack (1747)
- "Write it on your heart that every day is the best day in the year." — Ralph Waldo Emerson, Society and Solitude (1870)
- "Life is what happens to you while you're busy making other plans." — John Lennon, Beautiful Boy (Darling Boy), Double Fantasy (1980)
- "It is not that we have a short time to live, but that we waste much of it." — Seneca, On the Shortness of Life (c. 49 AD)
- "Tomorrow, and tomorrow, and tomorrow, creeps in this petty pace from day to day." — William Shakespeare, Macbeth, Act V, Scene 5 (1606)
- "How we spend our days is, of course, how we spend our lives." — Annie Dillard, The Writing Life (1989)
- "It is never too late to be what you might have been." — George Eliot, Attributed (19th c.)
- "Time is the most valuable thing a man can spend." — Theophrastus, Quoted by Diogenes Laërtius (3rd c. AD)