民能载舟，亦能覆舟，大众的力量是决定性的。唐朝时，魏征用此观点来劝谏唐太宗，荀子的这句话是身居高位的人应该时刻铭记的。

You control your future, your destiny. What you think about comes about. By recording your dreams and goals on paper, you set in motion the process of becoming the person you most want to be. Put your future in good hands — your own.

My life has no script; everything is improvisation.

抽象是管理软件系统复杂性的关键。