No, you don't because it is not a compound sentence.
Words are related to sentence as retail stores are related to wholesale stores, perhaps.
Words are parts of a sentence - a sentence needs words in order to feel complete. Similarly, retail stores are connected to wholesale because they get their products from them.
Answer:
Character is defined as "the mental and moral qualities distinctive to an individual". This quote is suggesting that your true character is shown when you aren't around other people; when you're alone (hence "in the dark"; no one can see you wen you're alone).Oct 10, 2018