“The woods would be very silent if no birds sang there except those that sang best.”— Sam Walter Foss
“My own contributions to this field have been in the development of a systematic hierarchy of theoretical models.”— John Pople
“You are not a true hacker until you have written a major open-source program that has been used and appreciated by many other people.”— Eric S. Raymond
“We need more kindness, more compassion, more joy, more laughter. I definitely want to contribute to that.”— Ellen DeGeneres
“Finding the center of strength within ourselves is in the long run the best contribution we can make to our fellow men.”— Rollo May
“The progress of the world will call for the best that all of us have to give.”— Mary McLeod Bethune
“Could you do with a little more goodness in your life? Then you will be glad to know that you are a contributor to the goodness of the world and that you have a vital role to play.”— Sarah Ban Breathnach
“Success is finding, or making, that position which enables you to contribute to the world the very greatest services of which you are capable.”— B. C. Forbes
“You should bring something into the world that wasn't in the world before. It doesn't matter what that is.”— Ricky Gervais
“I am not disposed to complain that I have planted and others have gathered the fruits. A man has cause for regret only when he sows and no one reaps.”— Charles Goodyear