数学中最重要的是提出正确的问题。
The most important thing in mathematics is to ask the right questions.
It is only in the mysterious equations of love that any logical reasons can be found.
The secret of change is to focus all of your energy,not on fighting the old,but on building the new.
出门时笑一笑,不要心怀悲哀,广阔的胸怀处处都能敞开。
任何组织中最宝贵的资源是其员工。