Die Wirklichkeit ist nicht, was wir sehen, sondern was wir denken.
现实不是我们所看到的，而是我们所思考的。
Learning consists in the modification of certain mediating processes which operate between the stimulus and the response.
重要的不是想法，而是将想法变为现实。
The world is full of obvious things which nobody by any chance ever observes.