[Quote] Paul Rand

What are the fundamental skills of a designer?
The fundamental skill is talent!
Talent is a rare commodity.
It's all intuition. And you can't teach intuition.
-Paul Rand 1996

You can also find this quote over here.

This should come from an excerpt of the interview, which you may see here
http://www.paul-rand.com/foundation/thoughts_maedaMedia/#.UtAC6XlaFdc

設計師的基本技能是什麼呢？
（設計師的）基本技能是天賦。
天賦是稀有的能耐，是種直覺。
而你無法教授直覺。