1.Absence sharpens love, presence strengthens it. 相聚爱益切，离别情更深；

2.A burnt child dreads the fire. 一朝被蛇咬，十年怕井绳；

3.Accidents will happen. 天有不测风云；

4.A clean hand wants no washing. 身正不怕影子斜；

5.A clear conscience is a soft pillow. 问心无愧，高枕无忧。