Consider William Shakespeare's famous line in Hamlet: “Give every man thy ear, but few thy voice.” This is a great example of antithesis because it pairs two contrasting ideas—listening and speaking—in the same parallel structure. The effect of antithesis can be powerful.
Always keep just one idea on note cards when doing research to prevent jumping from topic to topic and from question to question thus making it incoherent and incohesive.
A dependent clause is a group of words that contains a subject and verb but does not express a complete thought. A dependent clause cannot be a sentence.