I do not believe a comma is necessary in this sentence at all. In fact, if you were to insert a comma after the word grazed (as you maybe tempted to do) it could change the meaning of the sentence. If you meant the lions were oblivious of the presence of the gazelles, you would insert a comma after grazed. But if you meant the gazelles were oblivious of the presence of the lions, you would leave the comma out.
Answer:
The above are some reasons why I think one should not stay in the same job all their life
Scotland is suffering under Macbeth's rule. He illegally became king by murdering the previous king, Duncan. Once he started his reign, he changed completely - he used to be an honorable warrior, but his ambition corrupted him, and he became a tyrant once he assumed the throne. During his reign, people in Scotland were afraid all the time about what their new king might do, and his own country was suffering.
This is what Malcolm had to say about Macbeth's rule, which testifies to his terrible reign:
<em>"I think our country sinks beneath the yoke.
</em><em>It weeps, it bleeds, and each new day a gash
</em><em>Is added to her wounds."</em>
