What is "Persona"?

Let us see what Wiki said. A persona, in the word's everyday usage, is a social role or a character played by an actor. This is an Italian word that derives from the Latin for "mask" or "character", derived from the Etruscan word "phersu", with the same meaning. Popular etymology derives the word from Latin "per" meaning "through" and "sonare" meaning "to sound", meaning something in the vein of "that through which the actor speaks", i.e. a mask (early Greek actors wore masks).

2010年6月1日星期二

Blaise Pascal's Pensées 巴斯卡的沉思錄. There is nothing to lose if you believe in God.

究竟有沒有神的存在？我們可以這樣假設。

	God Exists	God Not Exists
Believe	100	0
Not Believe	-100	0

根據以上的推理，大多數人都會選擇相信神的存在。因為報報酬是100，即使我們根本不能確定神存在與否。相同的推理也可以運用在很多不同的事情上，我們大多會選擇支配性策略(Dominat Strategy)。例：天使、魔鬼、神、佛、宗教、風水、命理、信念創造實相、買保險、推銷、實在太多例子了... 在這裏不是說它們存在與否，只想點出我們作出選擇時的一些原因。

那這文章是說甚麼呢？基本的博弈論(Game Theory)。

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