我认为生活中任何事的目标都是快乐。
I think the target of anything in life is to be happy.
如果中原真的能消除战乱,我们两个老头子又何妨老死在戍边之地。
You can't let your failures define you. You have to let your failures teach you.
In science, we must be interested in things, not in persons.
Happiness comes from inner peace.