The principle of asceticism never was， nor ever can be， consistently pursued by any living creature.
追求知识是一段永无止境的旅程，这正是它如此令人兴奋的原因。
Will you be a cynic， or will you be a builder？
The only limit is the one you set yourself.
成功的最好方法是耐心。
我走了这么远，不只是为了走到这里。
The method of psychology must be objective, even when studying subjective phenomena.