Great artists make the roads; good teachers and good companions can point them out. But there ain't no free rides, baby.

Great artists make the roads; good teachers and good companions can point them out. But there ain't no free rides, baby.

伟大的艺术家铺路;好的老师和好的伙伴可以指出他们。但没有免费的午餐，宝贝。

-- Ursula K. Le Guin 娥苏拉·勒瑰恩