Hope for the best ,prepare for the worst. 抱最好的希望，做最坏的打算。
Never get stuck with the thing that ruins your day. Stay upbeat and be happy; for life is too short to be wasted on crap.不要让不好的事情毁了你这一天，乐观一点，开心一点，生命如此短暂，别浪费时间在不值一提的事情上。
Happiness doesn't depend on any external conditions, it is governed by our mental attitude.幸福不是取决于外界环境，它由我们的心态来决定。
Life is sad at times, but it is up to you to make your own life happy. 生活有时是令人沮丧的，但你可以努力让自己的过得开心。
