Valmiki Ramayana Yuddha Kanda Sarga 6 Shloka 9
Original Shlokaकोऽर्थंविमृशेदेकोधर्मेप्रकुरुतेमनः ।।6.6.9।। कःकार्याणिकुरुतेतमाहुर्मध्यमंनरम् ।
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कः alone, अर्थम् thinks, विमृशेत् deliberates with in, एकः alone, धर्मे: duty, मनः in his mind, प्रकुरुते: executes, एकः alone, कार्याणि: tasks, कुरुते: does, तंनरम् that person, मध्यमम् mediocre intermediate one, आहुः is said to be.
"He who thinks solitarily (not with others), deliberates with in his mind on his duty and executes his tasks, is said to be a (mediocre) a mediocre one."