"The only thing that is truly valuable is time."
心理学必须基于事实,而非假设。
The act of writing is an act of freedom.
The periodic table hasn't changed, but how we use its elements must.
热闹的场合可以锻炼心境,安静可以养心,坐时可以守心,行动时可以考验心灵,言时省心,动时制心。