“The time comes upon every public man when it is best for him to keep his lips closed.”– Abraham Lincoln Related Quotes “Know how to live the time that is given you.”– Dario Fo “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 “Every time there’s a revolution, it comes from somebody reading a book about revolution. David Walker wrote a book and Nat Turner did his thing.”– Mike Tyson