Facts do not speak for themselves. They speak for or against competing theories. Facts divorced from theories or visions are mere isolated curiosities.
You have to see failure as the beginning and the middle, but never entertain it as the end.
Success is not final, failure is not fatal: It is the courage to continue that counts.
一幅画像束缚住了我们。我们无法走出它,因为它存在于我们的语言中,语言似乎无情地一次次地重复给我们看。
You can't manage what you don't measure.