Man's survival, from the time of Adam and Eve until the invention of agriculture, must have been precarious because of his inability to ensure his food supply.
如果你害怕失败，那意味着你已经输了。
解析：天地之所以能长久存在，是因为它们的一切运作都不为自己，所以能够长久。
我不怕失败，我怕不去尝试。