1）翻译下面的句子：
我们从这个 TED 演讲中可以学到的是，要想获得成功，得学会先帮助别人。
（参考翻译：The moral of the TED talk is that to succeed we should learn to help others first. 或 The moral of the TED talk is that to succeed we should learn to pay it forward.）
2) The moral of this story is that don't give up before you try your best.
