Photo credit: Luca Galuzzi CC BY-SA 3.0
While reading about Sherpa Tenzing Norgay I came across my now favorite related quote by Sir Edmund Hillary,
#11 I have never regarded myself as a hero, but Tenzing undoubtedly was.
who conquered Mount Everest in 1953 together with Tenzing Norgay.
As a close second, this one is great too:
#5 People do not decide to become extraordinary. They decide to accomplish extraordinary things.