谋事在人，成事在天

Explanation: Old proverb. Means that they have do what we can achieve the purpose as to whether, it depends on how the fortune. 　　Usage: Complex sentence; for clause; can be used separately 　　Source: Ming Luo, "Three Kingdoms" 103 back: "Ming sighed and said: 'Man proposes, God disposes, not too strong!'" 　　Examples: "~" And not too strong. (Ming Luo, "Three Kingdoms" Article three times)