The strength of a response tendency depends on the amount of reinforcement received.
"La vida es una sola y hay que vivirla con intensidad, pero también con cuidado, porque no hay repetición."
Drawing is rather like playing chess: your mind races ahead of the moves that you eventually make.
译文:贫穷的人不用学俭朴,自会俭朴,卑贱的人不用学谦恭,自会谦恭。
The only thing of value is the thing you cannot buy.