任何改变,即使是为了变得更好,也总是伴随着缺点和不适。
Any change, even a change for the better, is always accompanied by drawbacks and discomforts.
The key to progress is persistence and a willingness to challenge conventional wisdom.
没有坚强意志品质的人学识智慧也不会通达;不遵守诺言的人行动也不会实现。