Please grade my essay on 6 scale
To understand something or someone is a complicated progress. We just can't only look at the present to evaluate something because it's like looking at someone's appearance and judge their insides. To fully understand the present, we need knowledge of the past.
Knownledge of the past helps us define the reason the present exists this way. For example, we all know Thomas Edison - the inventor of the bulb as a successful man. But we wouldn't acknowledge his efforts if we didn't know how much he devoted his life to the invention. Since we learned about his past, we had more clues to understand his dignities.
We all need knowledge of the past to fully understand the present as the past creates a trait for the present and explains the mysterious word 'why'.