An actor I know is a dimwit who can't count higher than the fingers on his hands. But once he gets on stage, the audience goes so wild, you'd think the house would split in two.

投资的好处在于你不需要对每个扔过来的球挥棒。投资诀窍就是坐在那里看着一个个扔来的球，并且等待打到你的最佳位置的那个。