I don’t focus on what I’m up against, I focus on my goals.

活着即选择，选择即放弃。

Actions are right in proportion as they tend to promote happiness； wrong as they tend to produce the reverse of happiness.

让孩子留在家里最好的方法是让家庭氛围愉快——并且把轮胎的气放掉。

Well, what the hell did you think I was?.

Thinking consists in envisaging, realizing structural features and structural requirements.