When given the choice between being right or being kind , choose kind.
A LISP programmer knows the value of everything, but the cost of nothing.
All you have to do is write one true sentence. Write the truest sentence that you know.
  选择最有用的生活方式,习惯会使其变得最令人愉悦。
“物质”不是唯一的事实标准:还存在心理事实,而且无法以任何的物质方式来解释、证明、或辩驳它。