你必须努力工作才能实现梦想。
心理学观念的检验标准是其增强生命的力量。
Comparing ourselves to others is a surefire way to feel worse about our own lives.
Man's freedom is his limitation.
Optimism is a learned skill. Once you learn it, you can improve your life in every way.
大国总是在寻找机会以牺牲对手为代价来获取权力,如果他们认为使用武力会带来利益,他们就会使用武力。