In life,We run across problems.
Kind of friends,loves,works,fates,,,etc
We deal with these problems by ourselves ways.
Some people try again and again,
others disregard,
others pray.
Then,some people think deeply and scarcely.
As accurate as they can.
At then ,there is mathematics.
And,human being set their thinking rules to think.
Such as ,
the goes around comes around,
Human being is to be prime,
the source of all is god,
,,etc
already,there is mathematics.
