Take long walks in stormy weather or through deep snows in the fields and woods, if you would keep your spirits up. Deal with brute nature. Be cold and hungry and weary.
20多岁时,人格的变化比人生中任何其他时期都要大。
思维就是行为。在显性言语中习得的肌肉习惯是隐性或内部言语(思维)的原因。