I believe that the phrase from Mandela's speech that is an example of a metaphor is the first one - 'the children, [...] the greatest of our treasures."
A metaphor is a type of comparison, where two or more things are compared without using words such as <em>like </em>or <em>as. </em>Here, the children are the greatest of our treasures - they are compared to a treasure, something which is the most important thing of all.
google it. why are you asking on here if you can google it
Here's what I've learned so far. Don't try to study in your bed because you will fall asleep/get too comfortable to work/etc especially if it's at night. Use a table, desk, or the floor. The floor gives you lots of room to put all your work out and isn't comfortable enough to fall asleep on. Normally. Set a time where you don't get on your phone, tablet, whatever. That's a big reason why most people can't focus. When I keep getting distracted by noises, I listen to jazz music. That's because I don't know the words so I can't sing along, it isn't something that's going to make me dance, and doesn't put me to sleep like classical music. Lastly, think in terms of points. Think about how every 0 will affect your grade and whether or not your grade is okay enough for that 0. Well, hope this helps :)
I would say the answer is move.
hope this helped
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This is just my opinion