Basically until you understand yourself and you truly know who you are and what you believe you'll always be know as what other people think about you, because what they say will matter more than what you believe yourself
An adjective clause is a type of clause that also contains a subject and a verb, but functions to describe a noun. This clause is often introduced by pronouns such as whom, who, that, which and the adverb where, when and why. In the given sentence above, the adjective clause is, "who received a good grade". This clause describes the noun "student".