“The secret to success is constancy of purpose.”

“The secret of success in life is for a man to be ready for his opportunity when it comes.”

“Success is the child of audacity.”

“As a rule, he or she who has the most information will have the greatest success in life.”

“It has been my lot to have found myself in many distant lands. I have never been in one without finding a Scotchman, and I never found a Scotchman who was not head of the poll.”

“An author who speaks about their own books is almost as bad as a mother who speaks about her own children.”

“There are three types of lies -- lies, damn lies, and statistics.”