India, April 12 -- l Know thyself. l A stitch in time saves nine. l Hustle and flow. l I am enough. We have always looked for words to live by. As much as 3,000 years ago, the Chinese were poring over I Ching (Book of Changes) and drawing from its brief, poetic advice. It is still in print. "Pride goeth before a fall" is from the Bible. "Know thyself" is carved into the 4th-century-BCE Temple of Apollo at Delphi. "Patience is half of faith," has roots in Islam, and can be traced to the 11th century CE. A number of our most common aphorisms, meanwhile, are anonymous and rather grandmotherly, but hold such deep truths that they live on too. "A stitch in time saves nine", for instance, entered the written record in the 1730s. What are today's ...