做好一件事的回报就是已经完成了它。
No one can make you feel inferior without your consent.
【译文】三个人在一起走路,其中一定有可以作为我老师的人。选择他的优点向他学习,对于他的缺点,就反省自己加以改正。
A proof of a proposition is a process the nature of which is such as to produce in us a belief in that proposition.
The best investment you can make is in yourself.
Psychology must be grounded in the reality of the organism's struggle to exist.