Paul 说一年以上的创业公司最大的问题往往不是外部而是内部，成长之痛。

Paul 说一年以上的创业公司最大的问题往往不是外部而是内部，成长之痛。 Paul Graham: When I talk to startups more than a year or two old, it's remarkable how consistently the biggest source of problems is not competitors but their own employees and investors. Dealing with competitors is easy compared to dealing with the people who are supposed to be helping them.