inspiring quotes

“It is not the strongest of the species that survive, nor the most intelligent, but the one most responsive to change.”
Charles Darwin

 "Your assumptions are your windows on the world.  Scrub them off every once in a while, or the light won't come in."
Isaac Asimov

“Success is to be measured not so much by the position that one has reached in life as by the obstacles which he has overcome while trying to succeed.”
Booker T. Washington