Don't sleep too much. If you sleep three hours less each night for a year, you will have an extra month and a half to succeed in. Aristotle Onassis
Remember you are just an extra in everyone else's play. Franklin D. Roosevelt
I have deeply regretted that I did not proceed far enough at least to understand something of the great leading principles of mathematics, for men thus endowed seem to have an extra sense. Charles Darwin
An extra thing is an extra concern. Japanese Proverb
Give an extra piece of cake to a stepchild. Korean Proverb
One more good man on earth is better than an extra angel in heaven. Chinese Proverb