孩子有超强的记忆力，当孩子可以动手操作而仅用眼看时，会记得更好。
The mathematician's best work is art, a high perfect art, as daring as the most secret dreams of imagination, clear and limpid.
What ever you do, do it well. Do it so well that when people see you do it they will want to come back and see you do it again and they will want to bring others and show them how well you do what you do.
The only way to do great work is to love what you do.
诚信必须是每个商业决策的核心。