Tweet We should seek the greatest value of our action. Quote by Stephen Hawking. You May Also Like...Intelligence is the ability to adapt to change.Action is the foundational key to all success.Life would be tragic if it weren't funny.The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.What one does is what counts. Not what one had the intention of doing.I have been impressed with the urgency of doing. Knowing is not enough, we must apply. Being willing is not enough, we must do.Do what you can, with what you have, where you are.The man who does not read has no advantage over the man who cannot read.Either write something worth reading or do something worth writing.