You need to learn what people have done, but you need to learn where they have failed... Usually when they fail it is in the execution.
Colin PowellI happen to hold a bachelor of science degree in geology... And my greatest contribution to the field of science is that I never entered it.
Colin PowellWe have gone forth from our shores repeatedly over the last hundred years and we've done this as recently as the last year in Afghanistan and put wonderful young men and women at risk, many of whom have lost their lives, and we have asked for nothing except enough ground to bury them in, and otherwise we have returned home to seek our own lives in peace.
Colin PowellFailure is a part of life and you have to learn to deal with it. Failure is something that is part of life's cycle and it's from failure that you gain life experience.
Colin Powell