奖赏不正确,没有鼓励作用;施刑不正确,也起不到惩戒作用。
The best way to predict the future is to create it.
The oldest, shortest words—'yes' and 'no'—are those which require the most thought.
质量从来不是偶然的;它是智慧努力和持续专注的结果。