静坐然后知平日之气浮，守默然后知平日之言躁，省事然后知平日之心忙，闭户然后知平日之交滥，寡欲然后知平日之病多，近情然后知平日之念刻。
静坐的时候才知道平日的心浮气躁，独自呆着不说话才知道平日言语暴躁多话。反省行为才知道平日心情忙乱，闭门拒绝客友才知平日交友泛滥。少欲望才知道平日多病。近人情才知道平日待人处事的苛刻。
When people talk, listen completely. Most people never listen.
It is the duty of the inventor to make his work as useful and as accessible as possible to the public.
智慧是避免做工作却能完成工作的能力。
We don't inherit the earth from our ancestors; we borrow it from our children.