三人行，必有我师

Explanation: Three people walking together, one of which will serve as my teacher. That should help in the field, with an open mind to learn from others. 　　Usage: Complex sentence; for clause; with compliment 　　Source: Pre-Qin Confucian "Analects, VII, and": "three lines, there must be my teacher, choosing the good from it, instead of their bad." 　　Riddle: Mr. Xu