The greatest enemy of a good plan is the dream of a perfect plan.
知识的最大敌人不是无知，而是知识的幻觉。
译文：伤害别人的心思不要有，防范别人的心思不能没有。赏析：伤害别人，最终会让自己受到伤害。人的品行和素质参差不齐，我们不能保证每个人都是谦谦君子，我们应该防范那些坏人作恶。
One solution fits all is not the way to go.All these cultures are different.The right culture for the Mayo Clinic is different from the right culture at a Hollywood movie studio.You can't run all these places with a cookie-cutter solution.