Advice, Chinese Proverb

用人不疑疑人不用 [yòngrénbùyí yírénbùyòng]

- 中國俗談

Don't suspect your employee. If one is suspicious, don't employ him.

- Chinese Proverb

http://en.wikipedia.org/wiki/Ming-hsin_pao-chien
http://idiomnstory.blogspot.com/1993/08/blog-post_08.html